In selecting probability samples,sampling error ________ at a rate equal to the _______ of the relative _______ in sample size.
A)increases;square root;increase
B)decreases;square root;decrease
C)decreases;square root;increase
D)decreases;same rate;increase
E)increases;square root;decrease

Question

Quizplus · Accepted Answer

As sample size increases, the sampling error decreases at a rate proportional to the square root of that increase. Therefore, as the relative increase in sample size increases (as in a larger sample size), the sampling error decreases at a faster rate, leading to a lower margin of error.

In Selecting Probability Samples,sampling Error ________ at a Rate Equal