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What is the difference between the formula for variance and sample variance?

Author:
February 20th, 2023

Degrees of freedom of variance is ##n## but degrees of freedom of sample variance is ##n-1##
Note that
## “Variance” = 1/n sum_(i=1)^n (x_i – bar x)^2##
Also note that
## “Sample Variance” = 1/(n-1) sum_(i=1)^n (x_i – bar x)^2##

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