Data Set 9-1: Sample scores: 2, 3, 4
-The value of the standard error of the mean for the scores in Data Set 9-1 is
A) 1.000
B) 0.816
C) 0.707
D) 0.577
E) 0.333

Question

Quizplus · Accepted Answer

The standard error of the mean (SEM) is calculated as the standard deviation (SD) of the sample divided by the square root of the sample size (n). For the sample scores 2, 3, 4, the SD is 1, and n is 3. Thus, SEM = 1 / √3 ≈ 0.577.

Data Set 9-1: Sample Scores: 2, 3, 4