Recall that the file Baseball Salaries 2009.xlsx contains data on 818 MLB players as of May 2009. Using this data set, answer the following questions:
a. Find the mean and median of the salaries of all shortstops. Are any of these measures influenced significantly by one or more unusual observations?
b. Find the standard deviation, first and third quartiles, and 5th and 95th percentiles for the salaries of all shortstops. Are any of these measures influenced significantly by one or more unusual observations?
c. Create a histogram of the salaries of all shortstops. Are any of these measures influenced significantly by one or more unusual observations?