Introduction to Probability and Statistics

14th Edition

ISBN: 9781133103752

Author: Mendenhall, William

Publisher: Cengage Learning

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Textbook Question

Chapter 2.7, Problem 2.42E

Given the following data set: 2.3, 1.0, 2.1, 6.5, 2.8, 8.8, 1.7, 2.9, 4.4, 5.1, 2.0
a. Find the positions of the lower and upper quartiles.
b. Sort the data from smallest to largest and find thelower and upper quartiles.
c. Calculate the IQR.

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Chapter 2.7, Problem 2.41E

Chapter 2.7, Problem 2.43E

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Chapter 2 Solutions

Introduction to Probability and Statistics

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Given the following data set: 2.3, 1.0, 2.1, 6.5, 2.8, 8.8, 1.7, 2.9, 4.4, 5.1, 2.0 a. Find the positions of the lower and upper quartiles. b. Sort the data from smallest to largest and find thelower and upper quartiles. c. Calculate the IQR.

Solution Summary: The author explains how to find the lower and upper quartiles for the given data. The IQR of the data is 3.1.

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Chapter 2 Solutions