Which of the following variables affect the size of the standard error of a difference?
A) difference between sample means
B) sample size
C) both of the descriptive alternatives
D) neither of the descriptive alternatives.

Question

Quizplus · Accepted Answer

The size of the standard error of a difference is affected by the sample size; larger samples generally lead to smaller standard errors, indicating more precise estimates of the population parameter. The difference between sample means itself does not affect the size of the standard error; rather, factors like sample size and population variance do.

Which of the Following Variables Affect the Size of the Standard