A sample of n = 6 scores has a mean of M = 9.If one individual with a score of X = 4 is removed from the sample,the new mean will be M = 10.

Question

A sample of n = 6 scores has a mean of M = 9.If one individual with a score of X = 4 is removed from the sample,the new mean will be M = 10.​

Quizplus · Accepted Answer

Removing a score of 4, which is below the original mean of 9, would increase the overall mean of the remaining scores, assuming the total number of scores is now 5 (n-1). The calculation confirms that removing a lower-than-mean score increases the mean to 10.

A Sample of N = 6 Scores Has a Mean