Since One Rarely Has Access to an Entire Population, One

Multiple Choice

Since one rarely has access to an entire population, one typically calculates the mean of a sample and:

A) compares that to the z distribution.
B) computes a standardized score for that mean.
C) compares that to a distribution of mean by calculating a z statistic.
D) standardizes that using information about the center and spread of the population of scores.