?

ACT® Math

Free Version

Upgrade subject to access all content

Difficult

Comparing Data

ACTMAT-YBE9G9

Mr. Anderson decided to "curve" the results of the last test by adding 6 points to each student's score.

Which of the following is true based on Mr. Anderson's curve?

A

The mean remained the same.

B

The standard deviation remained the same.

C

The standard deviation rose 6 points.

D

The mean was multiplied by 6.

E

The variance rose 6 points.