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Get Full Access to Statistics: Informed Decisions Using Data - 5 Edition - Chapter 15.3 - Problem 23
Get Full Access to Statistics: Informed Decisions Using Data - 5 Edition - Chapter 15.3 - Problem 23

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# ?Write a paragraph that describes the logic of the test statistic in a two-tailed sign test.

ISBN: 9780134133539 240

## Solution for problem 23 Chapter 15.3

Statistics: Informed Decisions Using Data | 5th Edition

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Statistics: Informed Decisions Using Data | 5th Edition

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Problem 23

Write a paragraph that describes the logic of the test statistic in a two-tailed sign test.

Step-by-Step Solution:

Step 1 of 5) Write a paragraph that describes the logic of the test statistic in a two-tailed sign test. Interpreting a Confidence Interval Problem When the Gallup Organization conducted the poll introduced in Example 1, 54.9% of those surveyed considered the amount of federal income tax they have to pay as fair. Gallup reported its “survey methodology” as follows: Results are based on telephone interviews with a random sample of 1016 national adults, aged 18 and older. For results based on the total sample of national adults, one can say with 95% confidence that the maximum margin of sampling error is 4 percentage points. Determine and interpret the confidence interval for the proportion of Americans aged 18 and older who believe the amount of federal income tax they have to pay is fair. Approach Confidence intervals for a proportion are of the form point estimate { margin of error.

Step 2 of 2

##### ISBN: 9780134133539

The full step-by-step solution to problem: 23 from chapter: 15.3 was answered by , our top Statistics solution expert on 01/15/18, 03:19PM. Statistics: Informed Decisions Using Data was written by and is associated to the ISBN: 9780134133539. This full solution covers the following key subjects: . This expansive textbook survival guide covers 88 chapters, and 2422 solutions. The answer to “?Write a paragraph that describes the logic of the test statistic in a two-tailed sign test.” is broken down into a number of easy to follow steps, and 16 words. This textbook survival guide was created for the textbook: Statistics: Informed Decisions Using Data, edition: 5. Since the solution to 23 from 15.3 chapter was answered, more than 217 students have viewed the full step-by-step answer.

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