¶ 2018 AMC8 Problem 8
Problem:
Mr. Garcia asked the members of his health class how many days last week they exercised for at least minutes. The results are summarized in the following bar graph, where the heights of the bars represent the number of students. What was the mean number of days of exercise last week, rounded to the nearest hundredth, reported by the students in Mr. Garcia's class?
Answer Choices:
A.
B.
C.
D.
E.
Solution:
The number of students surveyed was , and the number of days of days of exercise reported was . So the mean number of days exercise was = .
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions