1. Which inference can you make by comparing the measures of center? Finish Times of 30 Runners
in the 100-meter Dash
A
Mean
MAD
Last Year
16.25
1.2
This Year
14.75
1.9
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.
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