Question

Why are there 2 different formula for standard deviation?

Answer 1

Answer:

Hi mate

Here is your answer

Step-by-step explanation:

There are, in fact, two different formulas for standard deviation here: The population standard deviation σ and the sample standard deviation s. If x1,x2,…,xN denote all N values from a population, then the (population) standard deviation is σ=√1NN∑i=1(xi−μ)2, where μ is the mean of the population.

Hope you understand

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