22. a random sample is obtained from a normal population with a mean of μ = 95 and a standard deviation of σ = 40. the sample mean is m = 86. a. is this a representative sample mean or an extreme value for a sample of n = 16 scores? b. is this a representative sample mean or an extreme value for a sample of n = 100 scores? gravetter, frederick j. statistics for the behavioral sciences (p. 222). cengage learning. kindle edition.