Mit diesen Vorlagen & Praxis-Tipps lösen Sie jedes Excel-Problem. Jetzt gratis sichern! Rechnungen, Fahrtenbuch, Kalender & mehr: Praktische Excel-Vorlagen, die Zeit sparen Excel Formula Training. Formulas are the key to getting things done in Excel. In this accelerated training, you'll learn how to use formulas to manipulate text, work with dates and times, lookup values with VLOOKUP and INDEX & MATCH, count and sum with criteria, dynamically rank values, and create dynamic ranges Coefficient of Variation is calculated using the formula given below Coefficient of Variation = Standard Deviation / Mean Coefficient of Variation ABC = 7.98% / 14% = 0.57 Coefficient of Variation XYZ = 6.28% / 9.1% = 0.6 To find the coefficient of variation, input the formula =A8/A9 for this example or your actual range in a blank cell and press E** nter** to calculate the coefficient of variance. Calculate the coefficient of variance. Image Credit: Gurudev Ravindra

- STDEV.P function gets the standard deviation of the data ignoring Text or boolean values. And the Average function returns the mean of the range. Press Enter to get the coefficient of variation of the range. As you can see we have the coefficient of variation of the data range
- The coefficient of variation is the ratio of the root-mean-square deviation to the arithmetical mean. The following formula is used in the statistics for calculation: CV = σ / ǩ, CV is the coefficient of variation
- Coefficient of Variation refers to the statistical measure which helps in measuring the dispersion of the various data points in the data series around mean and is calculated by dividing the standard deviation by mean and multiplying the resultant with 100. Coefficient of Variation Formula

Formula for Coefficient of Variation. Mathematically, the standard formula for the coefficient of variation is expressed in the following way: Where: σ - the standard deviation; μ - the mean . In the context of finance Finance CFI's Finance Articles are designed as self-study guides to learn important finance concepts online at your own pace. Browse hundreds of articles!, we can re-write. Correlation **Coefficient** is calculated using the **excel** **formula** **Coefficient** **of** Determination is calculated using the **formula** given below **Coefficient** **of** Determination = (Correlation Coefficient)2 Based on the information, you will choose stock ABC and XYZ to invest since they have the highest **coefficient** **of** determination

- The coefficient of variation should be computed only for data measured on a ratio scale, that is, scales that have a meaningful zero and hence allow relative comparison of two measurements (i.e., division of one measurement by the other). The coefficient of variation may not have any meaning for data on an interval scale
- A coefficient of variation, often abbreviated as CV, is a way to measure how spread out values are in a dataset relative to the mean. It is calculated as: CV = σ /
- ing the content or quality of the sample data of substances

In statistic, the Coefficient of variation formula or known as a CV, also known as relative standard deviation (RSD) is a standardized measure of the dispersion of a probability distribution or frequency distribution. When the value of the coefficient of variation is lower, it means the data has less variability and high stability. The formula for coefficient of variation is given below. * The coefficient of variation formula can be performed in Excel by first using the standard deviation function for a data set*. Next, calculate the mean using the Excel function provided

The formula of the coefficient of variation is as follows. The formula of Coefficient of Variation Coefficient of variation = Standard Deviation / Mean You can have it in the simple decimal form or multiply it by 100% to get a percentage value by the overall mean: Within-subject coefficient of variation = ((√2.85) / 30.05) × 100 = 5.62% The between-subject coefficient of variation is obtained from the variance of the means of the duplicate observations. Hence between-subject coefficient of variation = √ (2 × 15.47) / 30.05 = 18.5 Coefficient of variation is C V = s x x ¯ × 100 = 1.063 3.8857 × 100 = 27.3567 Example 2 Compute coefficient of variation for the following frequency distribution

The video explains the concept of standard deviation. It also introduces the Coefficient of variation and explains the usage of this term Variationskoeffizient für eine Zufallsvariable Definition. Der Variationskoeffizient für eine Zufallsvariable mit Erwartungswert ≠ ist definiert als die relative Standardabweichung, das heißt die Standardabweichung dividiert durch den Erwartungswert der Zufallsvariablen, in Formeln = () = (). Der Variationskoeffizient wird häufig in Prozent angegeben ** A Closer Look at the Formula for Population Variance**. When you are getting acquainted with statistics, it is hard to grasp everything right away. Therefore, let's stop for a second to examine the formula for the population and try to clarify its meaning. The main part of the formula is its numerator, so that's what we want to comprehend. The sum of differences between the observations and. The 'CORREL' function is an Excel statistical function that calculates the Pearson product-moment correlation coefficient of two sets of variables. Unlike its formula, the Excel function has a simple syntax: =CORREL(array1, array2 Coefficient of determination, also known as R Squared determines the extent of the variance of the dependent variable which can be explained by the independent variable. By looking at R^2 value one can judge whether the regression equation is good enough to be used. Higher the coefficient better the regression equation as it implies that the independent variable chosen in order to determine.

We then use the CV formula above in Excel to calculate the intra-assay CV for each plate. This is the variation of measurements from the same plate (between readings 1, 2 and 3): Finally, we can work out the inter-assay CV between the mean values from the three plates. This is an indication for the variation for the same readings on different plates: As you can see, the intra-assay CV is much. To calculate coefficient of variation (CV) in Excel you can use the STDEV.P function or STDEV.S function with the AVERAGE function . In the example shown, the the formula in I5 is: = H5 / AVERAGE ( B5:F5 ) where H5 contains the calculated standard.. Coefficient de variation excel formule. Coefficient de variation . 1) Étendue. Excel ne peut calculer l'étendue que sur des valeurs ponctuelles (qui n'ont pas été classées). positionner le curseur à l'endroit où l'on désire faire apparaître la valeur de l'étendue taper =MAX( sélectionner la plage de la feuille contenant les valeurs dont on veut l'étendue taper )-MIN( sélectionner. The correlation coefficient (a value between -1 and +1) tells you how strongly two variables are related to each other. We can use the CORREL function or the Analysis Toolpak add-in in Excel to find the correlation coefficient between two variables. - A correlation coefficient of +1 indicates a perfect positive correlation. As variable X increases, variable Y increases Coefficient of Variation Calculator. This tool will calculate the coefficient of variation of a set of data. The coefficient of variation is a measure of spread that tends to be used when it is necessary to compare the spread of numbers in two datasets that have very different means.. To perform the calculation, simply enter your data into the textbox below, either one score per line or as a.

You can use a wide range of functions in Excel files, including the Frequency function, which will calculate how many data values exist in specific ranges. Once you have found the frequency of values in your data set, you can compare that to the total number of records to figure the frequency percentage. You can use Excel functions to find the frequency percentage of a data set. Step 1 Go to. Excel Range, Variance, Standard Deviation. Covariance, Coefficient of Correlation . Assume that we have two sets of data - English and Mathematics results for each student. How can we tell whether English result has any relationship with Mathematics result? Name of Student: English Result: Math Result: John: 50: 60: Mary: 60: 70: Peter: 70: 80: To answer the question, we need Covariance and. In other words, to find the coefficient of variation, divide the standard deviation by the mean and multiply by 100. How to find a coefficient of variation in Excel. You can calculate the coefficient of variation in Excel using the formulas for standard deviation and mean. For a given column of data (i.e. A1:A10), you could enter: =stdev(A1. * How to Use Excel to Calculate Coefficient of Variation 1*. Enter the data to be analyzed in one column of an Excel spreadsheet. 2. Use the Excel AVERAGE() function to calculate the mean of the data. In a blank cell on the spreadsheet, type '=AVERAGE(' (without quotes) and highlight all of the cells containing the data. Press 'Enter' to see the mean of the data. 3. Use the Excel STDEV() function.

Sample variance formula in Excel. When working with a numeric set of data you can use any of the above functions to calculate sample variance in Excel. As an example, let's find the variance of a sample consisting of 6 items (B2:B7). For this, you can use one of the below formulas: =VAR(B2:B7) =VAR.S(B2:B7) =VARA(B2:B7) As shown in the screenshot, all the formulas return the same result. * Coefficient of Variation Formula The following equation can be used to calculate the coefficient of variation of a data set, usually a population or sample*. C = (σ / μ) * 100% Where C is the coefficient of variation (%

* The coefficient of variation (CV) is a normalized measure of the dispersion of the frequency distribution*. It is used to measure the relative variability and is expressed in %. In investments, the coefficient of variation helps you to determine the volatility, or risk, for the amount of return you can expect from your investment. The lower the ratio of standard deviation to mean return, the. DVAR function. Estimates variance based on a sample from selected database entries. DVARP function . Calculates variance based on the entire population of selected database entries. Date and time functions. Function. Description. DATE function. Returns the serial number of a particular date. DATEDIF function. Calculates the number of days, months, or years between two dates. This function is. We show the derivation of the percent coefficient of variation (%CV) for a log-normally distributed random variable. The coefficient of variation for log-normally distributed random variable Y=ln(X) is estimated using the following formula: [ln(10)]2 2 % () 100%CV Y=⋅ −e σ 1Or its equivalen

- coefficient variation 1. What is Coefficient of Variation? What are the Formulas of COV in Excel How to find COV by Hand Calculating Quartile (Ungrouped Data) Calculating Quartile (Group Data) Calculating COV by Box and Whisker Plot References * 2
- Si vous souhaitez directement calculer la variation en pourcentage dans Excel (ici nous devons la convertir en % après l'application de la formule), il suffit de modifier la formule utilisée précédemment en passant de = (G2-B2)/B2 à = ((G2-B2)/B2)*100
- For the IQ example, the variance = 14.4 2 = 207.36. Coefficient of variation: The coefficient of variation (CV) is the SD divided by the mean. For the IQ example, CV = 14.4/98.3 = 0.1465, or 14.65 percent. About the Book Autho
- In layman's terms, Coefficient of Variation is a measure of how closely grouped a particular data set is. The formula for CV is: CV = StdDev (σ) / Mean (µ). In this blog post, I will shed some light on this particular measure and how to interpret it. A key value of the CV is it adjusts for the differences in magnitude - it measures spread relative to magnitude. Case 1: Mean = 50; StdDev.
- Figure 1 - Test of Coefficient of Variation. We see from the figure that p-value < alpha, and so the coefficient of variation is significantly different from zero. The 95% confidence interval is (.1079, .3403). Two Sample Testing. For two samples you can test whether their populations have the same coefficient of variation (i.e. H 0: σ 1 /μ.
- A sample of data is often summarized using two statistics: its average value and a measure of how spread out it is. Variance and standard deviation are both measures of how spread out it is. Several functions let you calculate variance in Excel.Below, we'll explain how to decide which one to use, and how to find variance in Excel
- Sort product range for the coefficient of variation. Position classification in the three groups - X, Y or Z. The criteria for the classification and characteristic of the groups: «Х» - 0 - 10% (the coefficient of variation) - goods with the strongest demand. «Y» - 10 - 25% - goods with volatile sales. «Z» - 25% - goods having random demand

Instead, Excel will figure it out for you. Note: some people say may be calculate the coefficient with variation in Excel. In reality, what they are saying is that may be calculate the variance within Excel. There are actually four different functions in Excel useful to calculate variance. The formula it is best to choose depends upon The coefficient of variance formula is: Cv = (s / x̅) * 100%. How do you calculate CV %? You can easily calculate CV% as the ratio of the standard deviation of the sample to the mean of the sample that represented as a percentage. All you need to add the values in your dataset and divide the result by the number of values to attain the sample mean. Is coefficient of variation a percentage. Formula $$ \text{Coefficient of Variation} \\ = \frac{\text{Standard Deviation of the Investment}}{\text{Expected Return on the Investment}} $$ Example. Indus Farms is a family owned business engaged in cultivating their land mass of a hundred square kilometers. The season is beginning, and Akbar the family head, has a critical decision to make: to cultivate sugar cane or cotton. He tasked his. Excel ; Theorems ; Coefficient of Variation Formula. Calculator ; Formula ; The formula for the calculation of the coefficient of variation is derived using the mean and the standard deviation. The ratio of the mean to standard deviation is termed as RSD. It is a dimensionless number. RSD calculation Formula . Formula: Where, C v = Coefficient of Variation σ = Standard Deviation μ = Mean. Coefficient of Variation Formula CV = S xˉ CV = S x Where S is the standard deviation of a sample And x̄ is the mean of the sample

Hello, I am trying to figure out how to calculate the coefficient of variation in excel but cant figure it out. Any help would be appreciated. Stocks Expected Return Probability of Occurring -20% .20-10% .25 25% .40 35% .15 That is the problem, what formula can i use to get the coefficient of variation. Thanks . Some videos you may like Excel Facts How to show all formulas in Excel? Click here. What do you Understand by the Advanced Excel Formulas and Basic Excel Functions? This Blog will give you the Excel formulas PDF/list of the Key Functions of Excel. Excel Formulas PDF is a list of most useful or extensively used excel formulas in day to day working life with Excel. These formulas, we can use in Excel 2013. 2016 as well as 2019 The coefficient of variation, or CV, is a statistical measure of the central tendency or dispersion of a data set. Unlike other measurements of central tendency, the CV is normalised. This makes it particularly well-suited for analysing data whose standard deviation tends to increase along with the mean. Enter the data to be analysed in one column of an Excel spreadsheet. Use the Excel AVERAGE. c s: The coefficient of variation for the service (i.e., the standard deviation σ s divided by the mean μ s for the average duration of a service). Please note that the Kingman equation requires independently distributed arrival and service times (which is usually valid for most manufacturing systems), and is valid only for higher utilizations (which is also often true in manufacturing)

- Geben Sie die Daten in einer Spalte einer Excel-Tabelle analysiert werden. 2 . Verwenden Sie den Excel MITTELWERT ( )-Funktion , um den Mittelwert der Daten berechnen. In einer leeren Zelle in der Tabellenkalkulation , Typ = MITTELWERT ( (ohne Anführungszeichen) , und markieren Sie alle Zellen mit den Daten . Enter drücken , um den.
- Coefficient of variation; Alternate formulae; References; Self-assessment exercises; About the Author; Many of the terms covered in this lesson are also found in the lessons on Basic QC Practices, which appear on this website. It is highly recommended that you study these lessons online or in hard copy[1]. The importance of this current lesson, however, resides in the process. The lesson sets.
- The equation for the Pearson product moment correlation coefficient, r, is: where x and y are the sample means AVERAGE (known_x's) and AVERAGE (known_y's). RSQ returns r2, which is the square of this correlation coefficient
- A coefficient of variation (CV) can be calculated and interpreted in two different settings: analyzing a single variable and interpreting a model. The standard formulation of the CV, the ratio of the standard deviation to the mean, applies in the single variable setting. In the modeling setting, the CV is calculated as the ratio of the root.
- The
**coefficient****of****variation**should be computed only for data measured on a ratio scale, that is, scales that have a meaningful zero and hence allow relative comparison of two measurements (i.e., division of one measurement by the other). The**coefficient****of****variation**may not have any meaning for data on an interval scale - The coefficient of variation formula has two key variables: Standard deviation; Mean; The formula then looks like this: The standard deviation measures how spread out or dispersed the numbers are from the average or mean. To get the standard deviation, you need to: Find the mean of the data (average) by adding up all the data points in the data series and dividing by the total number of points.
- The Coefficient of Dispersion Formula. The coefficient of dispersion (COD) is the average difference a group of numbers has from the median. The value is reported as a percentage of the median. In.

Naming and history. It was developed by Karl Pearson from a related idea introduced by Francis Galton in the 1880s and for which the mathematical formula was derived and published by Auguste Bravais in 1844. The naming of the coefficient is thus an example of Stigler's Law.. Definition. Pearson's correlation coefficient is the covariance of the two variables divided by the product of their. ** The range and the mean deviation of data distributions are very limited in their application and suffer from serious drawbacks**. The Standard Deviation and coefficient of variation is, therefore, an improved measure of dispersion of a given dataset, and can be used as a good parameter to characterize different curves When we are computing the variance for a population, we divide the sum of squared deviations by n. However, when we compute the variance for a sample, we divide the sum of squared deviations by (n-1). This change is taken care of by Excel with two different functions: =VAR.P() for population variance, and =VAR.S() for sample variance How To: Calculate the coefficient of variation (CV) in Excel By getexcellent; 5/6/10 11:18 AM; WonderHowTo. If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's ExcelsFun, the.

The workaround is to copy the entire Pivot Table into another part of the worksheet as values and compute the variance using worksheets formulas. This work around may be simple but it is very . tedious if you have multiple Pivot Table reports to prepare. If you are currently experiencing this problem and using Excel 2010, I have great news for you. You can now add Power Pivot, a brand new. You can use Excel's built-in functions, CORREL or PEARSON, to calculate the correlation coefficient, R (approximately 0.94 for your data). (2) You are using a Line chart type. You should use an XY Scatter chart type (as I suggested in my original reply to your posting). (3) If you use the XY Scatter chart type, you can then use the Add Trendline feature, and you can choose to display R-squared. Excel calculate Covariance, Coefficient of Correlation. Excel Range, Variance, Standard Deviation. In the previous post, I have explained how to measure the central tendency using Mean, Mode, Median. In this tutorial, I will explain how to measure variability using Range, Variance, Standard Deviation. Variability is also known as dispersion, it is to measure of how data are spread out. For. How do you calculate demand variability in Excel? How to calculate Standard Deviation, Mean, Variance Statistics, Excel. What is a good coefficient of variation? An intra-assay value of < 5% is expected. For inter-assay this value should < 10% Calculating CV with 1, 2 or 3 SDs (68%, 95%, or 99%) The greater the SD value the less precise the.

- d the reader first: The formula for CV = StdDev (σ) / Mean (µ
- I put them in Excel and the graph that is produced, looks like it gives an exponential formula. When I tried to calculate the Y values with the produced formula, the results had big differencies from the original ones. I assume that the exponential formula must have an extra coefficient and it's full format must be the following
- In the case of the geometric coefficient of variation, the mathematical operation that relates the standard deviation to the mean is root extraction. To see why this is so, let's consider the food chain of mathematical operations. On the bottom level are addition and subtraction. At the next level are, respectively, multiplication and division. And at the level above that are, respectively.

Step 3: Interpret the coefficient of variation. Once you click OK, the coefficient of variation for this dataset will be displayed: We can see that the coefficient of variation for this dataset is 49.3%. This was calculated using the following formula: CV = σ / μ * 100 = (29.060/58.933) * 100 = 49.3% To calculate statistical variance in Microsoft Excel, use the built-in Excel function VAR. Education General Dictionary Economics Corporate Finance Roth IRA Stocks Mutual Funds ETFs 401(k. Le coefficient de variation est une mesure de la quantité de dispersion , ou étalement , d'un tableau de données. Vous pouvez calculer le coefficient de variation d'une variable en divisant l'écart type d'une variable par la valeur moyenne de cette variable. Excel 2007 n'inclut pas une fonction simple pour calculer le coefficient de variation , vous devez donc créer une formule qui divise.

Excel verfügt über eine Vielzahl an Standardfunktionen, welche Sie für statistische Berechnungen einsetzen können. Für die Streumaße Variationskoeffizient und Quartildispersionskoeffizient gibt es (derzeit) noch keine Standardfunktionen in Excel. Daher müssen Sie diese Streumaße über einen Umweg mit eigenen Formeln berechnen ** The number we get is 6**.533333333 which is exactly the same as what we got from the Excel COVARIANCE.S function. The difference in Covariance and Coefficient of Correlation. The first and major difference is the formula. The coefficient of correlation is calculated by dividing covariance by the product of the standard deviation of Xs and Ys The Coefficient of Determination is used to analyze how difference in one variable can be explained by a difference in a second variable. In statistics, the coefficient of determination is denoted as R 2 or r 2 and pronounced as R square.. The Coefficient of Determination is one of the most important tools to statistics that is widely used in data analysis including economics, physics.

=coefficient of variation, CV σ = t c squared coefficient of variation, SCV 2 2 2 = σ = t c. 9 Kendall's Classification Characterization of a queueing station A / B / m / b A: arrival process B: service process m: number of machines b: maximum number of jobs that can be in the system M: exponential (Markovian) distribution G: completely general distribution D: constant (deterministic. We say that there is greater variation in their consumption of meat. The observations about the quantity of meat are more dispersed or more variant. Example: Calculate the coefficient of standard deviation and coefficient of variation for the following sample data: 2, 4, 8, 6, 10, and 12. Solution Examples of Coefficient of Determination Formula (With Excel Template) Coefficient of Determination Formula. In statistics, Coefficient of determination, also termed as R 2 is a tool which determines and assesses the ability of a statistical model to explain and predict future outcomes. In other words, if we have dependent variable y and independent variable x in a model, then R 2 helps in.

Computing coefficient of variation. computing coefficient of variation usage. coefficient.variation(sd, avg) examples coefficient.variation(sd=0.15,avg=0.39) gain an understanding of calculating a coefficient of variation in excel. to get the coefficient of variation, type this formula into cell c3: here's an example Calculate the coefficient in Excel . Unfortunately, Excel does not include a standard formula that would allow calculating the variation index automatically. But this does not mean that you have to make calculations in your mind. The absence of a template in the Formula Bar does not in any way detract from the capabilities of Excel, so you can. Hello, I am trying to figure out how to calculate the coefficient of variation in excel but cant figure it out. Any help would be appreciated. Stocks Expected Return Probability of Occurring-20% .20 -10% .25 25% .40 35% .15 That is the problem, what formula can i use to get the coefficient of variation. Thanks. Feb 5th, 2011, 02:16 PM. rwmill9716. Re: Coefficient of Variance in Excel. Coefficient of Variation. Standard variation is an absolute measure of dispersion. When comparison has to be made between two series then the relative measure of dispersion, known as coeff.of variation is used. Coefficient of Variation, CV is defined and given by the following function: Formula ${CV = \frac{\sigma}{X} \times 100 }$ Where − ${CV}$ = Coefficient of Variation. ${\sigma. Calculation of coefficient of variation in Dynamic range with VBA I have below data structure in excel. Name Order Date Purchage amount Ramesh 1/1/2017 465 Ramesh 1/2/2017 6543 Ramesh 1/3/2017 34 Ramesh 1/4/2017 31 Shankar 1/2/2017 89 Shankar 1/3/2017 44 Yuvraj 1/1/2017 545 Yuvraj 1/1/2017 77 Yuvraj 1/2/2017 851 Yuvraj 1/3/2017 115 Yuvraj 1/4/2017 67 Yuvraj 1/5/2017 90 Yuvraj 1/6/2017 920.

- g the same test. Use the following
**formula**to calculate the CVR:. - Variance and Standard Deviation of Raw Data Discrete Data Grouped continuous data Coefficient of Variance Range Range = Maximum value - Minimum Value For data 5, 10, 15, 18, 21, 24, 24, 13, 2, 9, 9, 18, 18, 32, 28, 3, 14, 25, 3, 27 Maximum value = 32 Minimum value = 2 Thus, Range = 32 - 2 = 3
- Is there any way (besides power pivot or fields calculated outside the pivot) to calculate the coefficient of variation (standard deviation/average) in a pivot table? When I create a calculated fiel
- Excel Function: The sample variance is calculated in Excel using the worksheet function VAR. The population variance is calculated in Excel using the function VARP. In Excel 2010/2013 the alternative forms of these functions are VAR.S and VAR.P. Example 1: If S = {2, 5, -1, 3, 4, 5, 0, 2} represents a population, then the variance = 4.25. This is calculated as follows. First, the mean = (2+5-1.
- MS Excel is a powerful tool for crunching reports. You may want to learn how to calculate the coefficient involving variation, which is this is the standard deviation divided by way of the mean. Here how: 1. Primary, isolate a range associated with cells who coefficient of variation you ought to know. For this case, lets assume that the data who..

Variance CovarianceCorrelation coefﬁcient Deﬁnition Variance Let X be an RV with x = E(X). Then the variance of X is given by V(X) = Ef(X X)2g Notation: V(X);Var(X);˙2;˙2 |{zx} book Alternative formula V(X)= Ef(X X)2g= E(X2 2 X X + 2) = E(X2) 2 XE(X)+ 2 = E(X2) 2 2 + 2 = E(X2) 2 X Observation Variance is always nonnegative! beamer-tu-logo Variance CovarianceCorrelation coefﬁcient De In order to calculate the correlation coefficient using the formula above, you must undertake the following steps: Obtain a data sample with the values of x-variable and y-variable. Calculate the means (averages) x̅ for the x-variable and ȳ for the y-variable. For the x-variable, subtract the mean from each value of the x-variable (let's call this new variable a). Do the same for the.

The coefficient of simple determination tells the proportion of variance in one variable that can be accounted for (or explained) by variance in another variable Computing Coefficient of variation Usage. coefficient.variation(sd, avg) Arguments sd standard deviation avg average value. See Also. Sharpe.ratio. Aliases. coefficient.variation; Examples coefficient.variation(sd=0.15,avg=0.39) Documentation reproduced from package FinCal, version 0.6.3, License: GPL (>= 2) Community examples. Looks like there are no examples yet. Post a new example: Submit. Covariance is the extension of variance to the 2-variable case - it is a measure of the joint variability of 2 random variables. The covariance of A and B is C o v (A, B) = E [ (A − E [ A]) (B − E [ B])]. Note that like variance, covariance is not scale invariant. If the variance of A or B increases, then C o v (A, B) increases as well