Given a set of scores in a normal distribution with a mean of 80, standard deviation of 4, and sample size of 100. If the sample were increased to 200 participants would we expect to happen to the standard error?
A) The standard error would be unaffected
B) The standard error would decrease
C) The standard error would increase
D) The standard error would double

Question

Quizplus · Accepted Answer

The standard error is calculated as the standard deviation of the distribution of means, which decreases as the sample size increases. Therefore, when the sample size is increased from 100 to 200, the standard error would be expected to decrease.

Given a Set of Scores in a Normal Distribution with a Mean