Using a trimmed mean to measure central tendency may be appropriate when the distribution of the scores is
A) symmetrical.
B) normal.
C) standardized.
D) asymmetrical.

Question

Quizplus · Accepted Answer

Trimmed mean is used to measure central tendency when the distribution of scores is asymmetrical, has outliers, or has extreme scores that may bias the mean. When data is symmetrical and normal, using the arithmetic mean is more appropriate. Standardization is a transformation of data and is not directly related to the choice of measure of central tendency.

Using a Trimmed Mean to Measure Central Tendency May Be