Chapter 11: Q. 2 (page 622)
Explain how to determine the interquartile range for a data set.
Short Answer
Upper quartile-Lower quartile
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Chapter 11: Q. 2 (page 622)
Explain how to determine the interquartile range for a data set.
Upper quartile-Lower quartile
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Use the data to make a frequency table and a histogram.
In Exercise 21-23, use the box-and-whisker plot below.
Multiple Choice, What is the interquartile range of the data in the box-and-whisker plot below.
A. 9 B. 12.5 C. 20 D. 21.5
Graph the inequality in a coordinate plane.
The histogram shows the results of a survey that asked 40 students at one school how many pets they owned. Use the histogram to find the experimental probability that a student at the school has 2 or more pets.

Copy and complete: A sample in which every member of the population has an equal chance of being selected is a(n)….?.
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