Question

Use the table. Which inference can you make by comparing the measures of center?

A: every runner ran faster last year as compared to this year

B: most runners ran faster last year, on average, as compared to this year

C: the runners ran faster this year, on average, as compared to last year

D: every runner ran faster this year as compared to last year

Answer 1

c

Explanation:

Answer 2

C: the runners ran faster this year, on average, as compared to last year

Explanation:

Mean is a measure of center and MAD is a measure of dispersion. Comparing the means, this year, on average, the runners ran faster than last year.