Author: user
Population Variance Formula and Calculation by Hand
This tutorial shows the formula for population variance and the steps for calculating population variance by hand. Formula Population variance is the measure of the variability of a population. The following is the formula for population variance. where, Population vs....
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Calculate Sample Variance in Excel
You can use the VAR, VAR.S or VARA functions to calculate sample variance. Data Example We are going to use the following sample of 6 students with math scores. The following is how the data looks in Excel. Example of Var() Thus, you can type...
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How to Calculate Mean in Excel
You can use the syntax of =AVERAGE() to calculate the mean in Excel. Example 1: one column You type the syntax of =AVERAGE(B2:B12) in one cell. Basically you can choose any cells to type that, and I just chose E2...
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rep() Function in R (4 Examples)
rep() is a built-in R function that replicates the values in the provided vector. This tutorial shows how to use rep() function in R with 4 examples. Example 1 The following code is to repeat the number 4 twice. Output: [1]...
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