If the outlier is excluded from the following data set, what happens to the mean? 110, 112, 109, 112, 21, 108, 110, 111, 108

A . It decreases.

B . It increases.

C . It does not change.

D . It depends whether the outlier is a high outlier or a low outlier.

With the outlier, the average is 100.1

Without it, the average is 110.

So without the outlier, the mean increases.

Step-by-step explanation:

The outlier is 21. Think about it in terms of grades. If your lowest grade is taken off your report card, your average would increase

answer is c

step-by-step explanation: