# Question: A population of N 100 000 has 40

A population of N = 100,000 has σ = 40. In each of the following cases, which formula will you use to calculate σ and why? Using the appropriate formula, calculate σ for each of these cases.

a. n = 2500

b. n = 7000

a. n = 2500

b. n = 7000

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