Question

Question 3(Multiple Choice Worth 1 points)

(05.04 MC)

The data to represent average test scores for a class of 16 students includes an outlier value of 78. If the outlier is included, then the mean is 84. Which statement is always true about the new data when the outlier is removed?

The mean would decrease.
The mean would increase.
The median would decrease.
The median would increase.

Answer 1

The mean would increase

Explanation:

The mean would increase

78 is lower than the mean so if you take out a value that's lower than the mean it would obviously increase