Solve the Problem

Multiple Choice

Solve the problem. Round your answer to one decimal place unless otherwise indicated.
-When 12 long-distance runners were randomly selected and tested, a mean resting heart rate of 70.0 beats per minute was obtained. Based on this sample statistic, what is the best estimate for the mean resting heart rate for all long-distance runners?

A) 66.7 beats per minute
B) 68.3 beats per minute
C) 71.8 beats per minute
D) 70.0 beats per minute