sample.var: Sample Variance
In LearningStats: Elemental Descriptive and Inferential Statistics

sample.var computes the sample variance of a sample x.

1	sample.var(x)

`x`	a numeric vector containing the sample.

Given \{x_1,…,x_n\} a sample of a random variable, the sample variance can be computed as S^2=\frac{1}{n}∑_{i=1}^n (x_i-\bar{x})^2.

A single numerical value corresponding with the sample variance.

1 2	x=rnorm(20) sample.var(x)

LearningStats documentation built on April 21, 2021, 9:06 a.m.

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