What is the mean (rounded to two decimal places) of the following set of first-time statistics students' ages: 18, 18, 18, 19, 19, 19, 19, 20, 22, 22, 23, 23, 23, 24, 25, 26, 26, 29, 33, 64?
A)24.5
B)25
C)24.50

Question

Quizplus · Accepted Answer

The mean age is calculated by adding all the ages together and then dividing by the number of ages. The sum of the ages is 490 and there are 20 students, so the mean age is 490 / 20 = 24.5.

What Is the Mean (Rounded to Two Decimal Places) of the Following