If there is significant variation among subjects regarding their attitudes toward a given brand, this variance will be reflected most clearly in which of the following measures?
A) Mean
B) Median
C) Mode
D) Standard deviation
E) Frequency distribution

Question

Quizplus · Accepted Answer

The standard deviation measures the dispersion of values around the mean. The greater the standard deviation, the greater the variation in attitudes towards the brand. Therefore, it is the best choice to reflect the significant variation among subjects regarding their attitudes toward a given brand.

If There Is Significant Variation Among Subjects Regarding Their Attitudes