Find the requested value.
A researcher wishes to estimate the mean resting heart rate for long-distance runners. A random sample of

runners yields the following heart rates, in beats per minute.

Use the data to obtain a point estimate of the mean resting heart rate for all long distance runners.
◦ 66.2 beats per minute
◦ 67.8 beats per minute
◦ 69.6 beats per minute
◦ 64.6 beats per minute