When a percentage of the smallest and largest values are deleted from a data set, the mean of the remaining data values is the _____ mean.
A) geometric
B) weighted
C) trimmed
D) interquartile

Question

Quizplus · Accepted Answer

When a percentage of the smallest and largest values are deleted from a data set, the mean of the remaining data values is called the trimmed mean. This is because the data set has been "trimmed" or reduced in size by deleting the top and/or bottom percentages of data. While geometric mean and weighted mean are other types of means, they are not specifically related to data sets that have had values "trimmed" from them. The interquartile range is a measure of variability, not a type of mean.

When a Percentage of the Smallest and Largest Values Are