1st Edition

ISBN: 9781938168208

Author: Barbara Illowsky, Susan Dean

Publisher: OpenStax College

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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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Textbook Question

Chapter 8, Problem 127H

Use the following informariton to answer the next three exercises: According to a Field Poll, 79% of California adults (actual results are 400 out of 506 SUfl eyed) feel that education and our schools Is one of the top issues facing California. We wish to constnict a 90% confidence Interval for the tnae proportion of California adults who feel that education and the schools is one of the top issues facing California.

127. The enor bound is approxi.matelv

a. 1.581

b. 0.791

c. 0.059

d. 0.030

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Chapter 8, Problem 126H

Chapter 8, Problem 128H

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Chapter 8 Solutions

Introductory Statistics

Ch. 8 - Suppose we have data from a sample. The sample...Ch. 8 - Suppose average pizza delivery times are normally...Ch. 8 - Table 8.2 shows a different random sampling of 20...Ch. 8 - Refer back to the pizza-delivery Try It exercise....Ch. 8 - Refer back to the pizza-deliver Try It exercise....Ch. 8 - Suppose we know that a confidence interval is...Ch. 8 - The population standard deviation for the height...Ch. 8 - You do a study of hypnotherapy to determine how...Ch. 8 - A random sample of statistics students were asked...Ch. 8 - Suppose 250 randomly selected people are surveyed...

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