The table shows the number of hours that a group of friends spent in their first week training to run a marathon. In the second week, they each add five hours to their training times. What are the mean, median, mode, and range of times for the second week?

Question

Jeff = 9
Mark = 5
Karen = 5
Costas = 5
Brett = 7
Nikki = 6
Jack = 7

A. mean = 10
median = 11
mode = 11.3
range = 4

B. mean = 11
median = 11.3
mode = 10
range = 0.3

C. mean = 11.3
median = 11
mode = 10
range = 4

D. mean = 11.3
median = 11
mode = 10
range = 0.3

Answer 1

C. mean = 11.3, median = 11, mode = 10, range = 4