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A Sample from a Population with μ = 40 and σ

Question 8

Multiple Choice

A sample from a population with μ = 40 and σ = 10 has a mean of M = 44.If the sample mean corresponds to a z = 2.00,then how many scores are in the sample?​


A) ​n = 100
B) ​n = 25
C) ​n = 5
D) ​n = 4

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