Random samples provide ________ estimates of population averages if the samples have small ________.
A) good;means
B) good;standard deviations
C) poor;means
D) poor;standard deviations

Question

Quizplus · Accepted Answer

Random samples provide good estimates of population averages if the samples have small standard deviations, because smaller standard deviations indicate that the sample data points are closer to the mean, thus more accurately reflecting the population average.

Random Samples Provide ________ Estimates of Population Averages If the Samples