Mr. Bell wants to see if students who study while listening to music do better on their
tests than students who study with no music. He randomly chose 25 students who
study with music and 25 who study without and recorded their average test grades
below.

A. Use a measure of center to make one observation from the tables that accurately
compares the test scores of both groups.

B. Explain which measure of central tendency will best describe the data in both
tables.

C. Determine the measure of central tendency from part B for both tables.