15 Nov 2021
Problem 122a
Page 150
Section: BRINGING IT TOGETHER: HOMEWORK
Chapter 2: DESCRIPTIVE STATISTICS
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15 Nov 2021
Given information
A publisher conducted a survey asking adult consumers the number of fiction paperback books they had purchased in the previous month. The results are summarized in the Table .
Step-by-step explanation
Step 1.
The numerical test involving IQR to identify outliers is:
Any value less that and any value above is an outlier.
Where, is the first quartile, is the third quartile and IQR is the interquartile range.
IQR is defined as the difference between third quartile and first quartile.
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