Question

Forty-five people were asked about how many miles they walked in one week. The results are shown in the graph. What is the mean number of miles walked by the girls?

5 4/11 miles

5 6/25 miles

5 1/2 miles

5 miles

5 1/8 miles

Answer 1

5 × 4 = 20

9 × 5 = 45

6 × 3 = 18

5 × 7 = 35

Mean = 20 + 45 + 18 + 35/4

= 118/4

= 59/2

5 1/8 = 46/8

5 1/2 = 11/2

5 6/25 = 131

5 4/11 = 59/2

Therefore The Answer is A 5 4/11.