A company in Silicon Valley periodically offers its employees a full health screen in which data are collected on several characteristics including percent body fat. Data for a sample of employees are in the file Bodyfat. Use percent body fat as the variable of interest in the following calculations:

a. Calculate the mean and median for percent body fat.

b. Calculate the standard deviation for percent body fat.

c. Calculate the coefficient of variation for percent body fat.

d. If an employee has a percent body fat equal to 29, would it be appropriate to say that this employee is in the 90th percentile or above? Explain.