Essentials of Business Analytics 1st Edition by Jeffrey Camm,James Cochran,Michael Fry,Jeffrey Ohlmann ,David Anderson

Exercise 8

The average time that Americans commute to work is 27.7 minutes ( Sterling's Best Places, April 13, 2012). The average commute times in minutes for 48 cities are as follows:
a. What is the mean commute time for these 48 cities
b. What is the median commute time for these 48 cities
c. What is the mode for these 48 cities
d. What is the variance and standard deviation of commute times for these 48 cities
e. What is the third quartile of commute times for these 48 cities