Statistics Solutions

(See Solution) A population forms a normal distribution with a mean of μ = 80 and a standard deviation of σ = 15. For each of the following samples,

Question: A population forms a normal distribution with a mean of \(\mu =\) 80 and a standard deviation of \(\sigma =\) 15. For each of the following samples, compute the z-score for

the sample mean and determine whether the sample

mean is a typical, representative value or an extreme

value for a sample of this size.

  1. M = 84 for n = 9 scores
  2. M = 84 for n= 100 scores

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