# A study is made by the recording industry in the United States of the number of music

## Question:

a. Find the median and the first and third quartiles for the number of CDs owned by senior citizens. Develop a box plot for the information.

b. Find the median and the first and third quartiles for the number of CDs owned by young adults. Develop a box plot for the information.

c. Compare the number of CDs owned by the twogroups.

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**Related Book For**

## Statistical Techniques in Business and Economics

**ISBN:** 978-0078020520

16th edition

**Authors:** Douglas Lind, William Marchal