Explanation Given info: In a survey, the minimum usual value is 48 and maximum usual value is 72. Calculation: The value of n, p, q are obtained by using the range rule of thumb: Range of rule of thumb: Maximum usual value = μ + 2 σ Minimum usual value = μ − 2 σ The value of the minimum usual value and maximum usual value can be written as: μ + 2 σ = 72 (1) μ − 2 σ = 48 (2) By adding the equations ( 1 ) and ( 2 ) , μ + 2 σ = 72 μ − 2 σ = 48 _ 2 μ = 120 On simplification, 2 μ = 120 = 120 2 = 60 Thus, the value of μ is 60

Essentials of Statistics, Books a la Carte Edition (5th Edition)

5th Edition

ISBN: 9780321926739

Author: Mario F. Triola

Publisher: PEARSON

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

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Chapter 5.4, Problem 21BB

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To identify: The values of n, p, q.

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Chapter 5.4, Problem 20BSC

Chapter 5.4, Problem 23BB

Chapter 5 Solutions

Essentials of Statistics, Books a la Carte Edition (5th Edition)

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The values of n, p, q.

Solution Summary: The author explains how the values of n, p, and q are obtained by using the range rule of thumb.

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Chapter 5 Solutions