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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
12 Nov 2021

Given information

The number of years students in a particular elementary statistics class have lived in California is the main interest of the survey. The information in the following table is from the entire section.

Step-by-step explanation

Step 1.

IQR is the Interquartile Range. IQR is the measure of dispersion. It measures where the middle of data is present in the data set. IQR is defined as the difference between first quartile and third quartile.

The formula to calculate IQR is:

 

Where is the third quartile and is the first quartile.

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