Measures of central tendency (like the mean) and measures of variation (like the range) provide information about distributions of scores which is________.
A) contradictory.
B) redundant.
C) unnecessary.
D) complementary.

Question

Quizplus · Accepted Answer

Measures of central tendency and measures of variation provide complementary information about distributions of scores. Central tendency tells us about the typical or average score, while variation tells us how spread out the scores are from each other. Both pieces of information are important in understanding a distribution of scores.

Measures of Central Tendency (Like the Mean) and Measures of Variation