Times in Minutes

Question

A B C D E F G H I
Race 1 29 42 34 33 34 42 34 27 34
Race 2 31 35 36 42 45 49 34 32 36
Jacob collected the times in minutes it took runners in his run club to run a 5k. The data can be seen in the spreadsheet. He rounded the results to the nearest minute. He then created a line graph to view the data. What is the impact to the mean if you replace the 49 minutes with 33 minutes? Round to the nearest tenth.
(1 point)
Responses
The mean changes by 0.8 minutes.
The mean changes by 0.8 minutes.
The mean changes by 0.9 minutes.
The mean changes by 0.9 minutes.
The mean changes by 9.7 minutes.
The mean changes by 9.7 minutes.
The mean remains the same.
The mean remains the same.

Answer 1

The mean changes by 0.8 minutes.