If a sample of 58 runners were taken from a population of 302 runners, could refer to the mean of how many runners' times?

Question

If a sample of 58 runners were taken from a population of 302 runners,  could refer to the mean of how many runners' times?

anonymous · Answer

anonymous · Answer

HELP PLEAASSEEEE

anonymous · Answer

anonymous · Answer

Its pretty easy

anonymous · Answer

Thanks you deserve a metal. If you aren't gonna help, PLEASE leave.

anonymous · Answer

Anytime;D

perl · Answer

That symbol $\large \pi $ in your link refers to the population mean. 
You want the sample mean $ \large \bar x $.