A normal distribution has a mean of m = 60 and a standard deviation of s = 12. For each of the following samples, compute the z-score for the sample mean and determine whether the sample mean is a...

A normal distribution has a mean of m = 60 and a standard deviation of s = 12. 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.