Question: A random sample is obtained from a population with = 80 and = 10 and a treatment is administered to the sample. Which

A random sample is obtained from a population with µ = 80 and σ = 10 and a treatment is administered to the sample. Which of the following outcomes would be considered noticeably different from a typical sample that did not receive the treatment?

a. n = 25 with M = 81

b. n = 25 with M = 83

c. n = 100 with M = 81

d. n = 100 with M = 83

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