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13th Edition

Anderson

Publisher: CENGAGE L

ISBN: 9781305881884

Chapter 3, Problem 69SE

Textbook Problem

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The data contained in the DATAfile named 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* website, August 2013).

- a. What was the mean U.S. sales per store for the 47 restaurant chains?
- b. What are the first and third quartiles? What is your interpretation of the quartiles?
- c. Show a box plot for the level of sales and discuss if there are any outliers in terms of sales that would skew the results.
- d. Develop a frequency distribution showing the average sales per store for each segment. Comment on the results obtained.

**a.**

To determine

Find the mean U.S. sales per store for the 47 restaurant chains.

**Calculation:**

The given information is that the data shows the company/chain name, the average sales per store ($1,000s) and the food segment industry for 47 restaurant chains.

**Software Procedure:**

Step by step procedure to obtain the mean using the MINITAB software:

- Choose
**Stat > Basic Statistics > Display Descriptive Statistics**. - In
**Variables**enter the columns**2012 U...**

**b.**

To determine

Find the first and third quartiles and interpret the same.

**c.**

To determine

Draw the boxplot for the level of sales and discuss if there are any outliers in terms of sales that would skew the results.

**d.**

To determine

Develop a frequency distribution showing the average sales per store for each segment and comment on the result obtained.

STATISTICS F/BUSINESS+ECONOMICS-TEXT

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