The magnitude of random sampling error in a study depends upon the ______ of a sample and the amount of ______ in the population characteristic being measured.
A) error; bias
B) size; variation
C) variation; error
D) bias; variation

Question

Quizplus · Accepted Answer

The magnitude of random sampling error is affected by the size of the sample and the amount of variation in the population being studied. A larger sample size generally results in a smaller sampling error, while a greater amount of variation in the population characteristic being measured will increase the size of the sampling error. Therefore, choice B, size and variation, is the best answer.

The Magnitude of Random Sampling Error in a Study Depends