Stats Solutions

[Solution] A population forms a normal distribution with a mean ofµ = 80 and a standard deviation of ơ = 15. For each of the following samples, compute the

Question: A population forms a normal distribution with a mean ofµ = 80 and a standard deviation of ơ = 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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