13th Edition

ISBN: 9780134462455

Author: Mario F. Triola

Publisher: PEARSON

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In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.

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Textbook Question

Chapter 11.2, Problem 3BSC

Hypothesis Test The accompanying TI-83/84 Plus calculator display results from the hypothesis test described in Exercise 1. Assume that the hypothesis test requirements are all satisfied. Identify the test statistic and the P-value (expressed in standard form and rounded to three decimal places), and then state the conclusion about the null hypothesis.

Chapter 11.2, Problem 3BSC, Hypothesis Test The accompanying TI-83/84 Plus calculator display results from the hypothesis test

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Chapter 11.2, Problem 2BSC

Chapter 11.2, Problem 4BSC

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Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is. (Round to two decimal places as needed.) Identify the P-value for this hypothesis test. The P-value for this hypothesis test is (Round to three decimal places as needed.)

Differentiate Between Type I and Type II Errors When Performing a Hypothesis Test Question Determine the Type I error if the null hypothesis, Ho, is: an electrician claims that no more than 10% of homes in the city are not up to the current electric codes. Select the correct answer below: The electrician thinks that no more than 10% of homes in the city when, in fact, there really are no more than 10% that are not up to the current electric codes. are not up to the current electrical codes The electrician thinks that more than 10% of the homes in the city are not up to the current electrical codes when, in fact, there really are more than 10% of the homes that do not meet the current electric codes. The electrician thinks that more than 10% of the homes in the city are not up to the current electrical codes when, in fact, at most 10% of the homes in the city are not up to the current electric codes. The electrician thinks that no more than 10% of homes in the city are not up to the…

Why is the phrase “goodness of t” used to describe the type of hypothesis test considered in this section?

Chapter 11 Solutions

Elementary Statistics (13th Edition)

Ch. 11.1 - Cybersecurity The table below lists leading digits...Ch. 11.1 - 2. Cybersecurity When using the data from Exercise...Ch. 11.1 - Cybersecurity The accompanying Statdisk results...Ch. 11.1 - Cybersecurity What do the results from the...Ch. 11.1 - In Exercises 520, conduct the hypothesis test and...Ch. 11.1 - In Exercises 520, conduct the hypothesis test and...Ch. 11.1 - In Exercises 520, conduct the hypothesis test and...Ch. 11.1 - In Exercises 520, conduct the hypothesis test and...Ch. 11.1 - In Exercises 520, conduct the hypothesis test and...Ch. 11.1 - In Exercises 520, conduct the hypothesis test and...

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Solution Summary: The author explains that a survey was conducted to test whether ear preference and handling the cell phone are associated with each other. The test statistic is 64.517 and the critical value is 15.5073.

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Chapter 11 Solutions