Suppose the standard deviation for the scores in Group A was 3.12,and the standard deviation for the scores in Group B was 10.67.What would be a safe conclusion based on these standard deviations?
A)The mean is also higher in Group B than Group A.
B)Group B has scores that are more variable than Group A.
C)Group A is more likely to be statistically significant than Group B.
D)Group A had more extreme scores than Group B.

Question

Quizplus · Accepted Answer

Standard deviation measures the spread or variability of the data. As Group B has a larger standard deviation, it means that the scores in Group B are more scattered and less consistent compared to Group A. Therefore, we can conclude that Group B has scores that are more variable than Group A.

Suppose the Standard Deviation for the Scores in Group a Was