Understandable Statistics: Concepts and Methods

12th Edition

ISBN: 9781337119917

Author: Charles Henry Brase, Corrinne Pellillo Brase

Publisher: Cengage Learning

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Textbook Question

Chapter 8.3, Problem 1P

Statistical Literacy To use the normal distribution to test a proportion p, the conditions np > 5 and nq > 5 must be satisfied. Does the value of p come from H₀, or is it estimated by using p ^ from the sample?

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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Chapter 8.2, Problem 30P

Chapter 8.3, Problem 2P

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Chapter 8 Solutions

Understandable Statistics: Concepts and Methods

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Statistical Literacy To use the normal distribution to test a proportion p , the conditions np &gt; 5 and nq &gt; 5 must be satisfied. Does the value of p come from H 0 , or is it estimated by using p ^ from the sample?

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Chapter 8 Solutions

Statistical Literacy To use the normal distribution to test a proportion p , the conditions np > 5 and nq > 5 must be satisfied. Does the value of p come from H 0 , or is it estimated by using p ^ from the sample?