Which set of scores has the smallest standard deviation?
A)11, 17, 31, 53
B)5, 11, 42, 22
C)145, 143, 145, 147
D)27, 105, 10, 80

Question

Which set of scores has the smallest standard deviation?​
A)​11, 17, 31, 53
B)​5, 11, 42, 22
C)​145, 143, 145, 147
D)​27, 105, 10, 80

Quizplus · Accepted Answer

The set of scores in option C has the smallest range of values (only a difference of 4 between the highest and lowest score), indicating that the scores are more tightly clustered around the mean. This results in a smaller standard deviation.

Which Set of Scores Has the Smallest Standard Deviation?​

Which Set of Scores Has the Smallest Standard Deviation?