Use the Following to Answer the Questions Below

Multiple Choice

Use the following to answer the questions below:
In a given year, the average score on the Mathematics portion of the ACT for males was 21.3 with standard deviation 5.3. The average score on the Mathematics portion of the ACT for females was 20.2 with standard deviation 4.8.
-What effect does increasing the sample sizes have on the center of the distribution?

A) It increases the center of the distribution.
B) It decreases the center of the distribution.
C) It has no effect on the center of the distribution.