Questions from Business Statistics

Q: A 2017 USA Today article reports that NCAA football coaches’ salaries have

A 2017 USA Today article reports that NCAA football coaches’ salaries have continued to increase in recent years (USA Today). The annual base salaries for the previous head football coach and the new...

Q: The average waiting time for a patient at an El Paso physician’s

The average waiting time for a patient at an El Paso physician’s office is just over 29 minutes, well above the national average of 21 minutes. In order to address the issue of long...

Q: Smartphones have become ubiquitous for most people and have become the predominant

Smartphones have become ubiquitous for most people and have become the predominant means of communication among people. Consider the following data indicating the number of minutes in a month spent in...

Q: Public transportation and the automobile are two methods an employee can use

Public transportation and the automobile are two methods an employee can use to get to work each day. Samples of times recorded for each method are shown. Times are in minutes. a. Compute the sample...

Q: The following data represent a sample of 14 household incomes ($1000s

The following data represent a sample of 14 household incomes ($1000s). Answer the following questions based on this sample. a. What is the median household income for these sample data? b. Accordin...

Q: Revenue of World’s Most Valuable Brands. Refer to Table 2.

Revenue of World’s Most Valuable Brands. Refer to Table 2.12. a. Prepare a crosstabulation of the data on Industry (rows) and Brand Revenue ($ billions). Use class intervals of 25...

Q: The data contained in the file FoodIndustry show the company/chain

The data contained in the file FoodIndustry show the company/chain name, the average sales per store ($1000s), and the food segment industry for 47 restaurant chains (Quick Service Restaurant Magazine...

Q: Travel + Leisure magazine provides an annual list of the 500 best

Travel + Leisure magazine provides an annual list of the 500 best hotels in the world. The magazine provides a rating for each hotel along with a brief description that includes the size of the hotel,...

Q: Does a major league baseball team’s record during spring training indicate how

Does a major league baseball team’s record during spring training indicate how the team will play during the regular season? Over a six-year period, the correlation coefficient betwe...

Q: Automobiles traveling on a road with a posted speed limit of 55

Automobiles traveling on a road with a posted speed limit of 55 miles per hour are checked for speed by a state police radar system. Following is a frequency distribution of speeds. a. What is the m...