Question

An on-going study requires you to make a determination on the average amount of time it takes for athletes to complete running a 10k marathon. Data was taken from 50 college student-athletes. It was found that the average time to completion was 43.22 minutes and a standard deviation of 4.16 minutes. -- Show work where applicable

A) Determine the observational unit

B) Identify the sample and the size of the sample

C) Using correct symbols, identify the observed statistic

d) What is the 95% confidence interval for the long run average time to finish the marathon by the college student-athletes -- how would you interpret your result?

Answer 1