Below are the data collected from two random samples of 500 American students on the number of hours they spend in school per day (rounded to the nearest hour):

Number of hours in school per day

4

5

6

7

8

Sample A: Number of students
70 100 125 135 70

Sample B: Number of students
80 90 120 125 85

Meg concludes that students spend a mean of 7 hours in school each day. Tara thinks the mean is 6 hours. Who is correct—Meg or Tara? Explain your answer in two or three sentences.

Question

Below are the data collected from two random samples of 500 American students on the number of hours they spend in school per day (rounded to the nearest hour):




Number of hours in school per day

4

5

6

7

8



Sample A: Number of students
70 100 125 135 70 

Sample B: Number of students
80 90 120 125 85 


Meg concludes that students spend a mean of 7 hours in school each day. Tara thinks the mean is 6 hours. Who is correct—Meg or Tara? Explain your answer in two or three sentences.