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Get Full Access to Statistics: Informed Decisions Using Data - 5 Edition - Chapter 15.4 - Problem 4
Get Full Access to Statistics: Informed Decisions Using Data - 5 Edition - Chapter 15.4 - Problem 4

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# ?In Problems 3–10, use the Wilcoxon matched-pairs signedranks test to test the given hypotheses at the a = 0.05 level of significance. The dependent sa

ISBN: 9780134133539 240

## Solution for problem 4 Chapter 15.4

Statistics: Informed Decisions Using Data | 5th Edition

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Problem 4

In Problems 3–10, use the Wilcoxon matched-pairs signedranks test to test the given hypotheses at the a = 0.05 level of significance. The dependent samples were obtained randomly.

4. Hypotheses: H0: MD = 0 versus H1: MD 7 0 with n = 20 and T- = -65.

Step-by-Step Solution:

Step 1 of 5) Use the Wilcoxon matched-pairs signed-ranks test to test the given hypotheses at the a = 0.05 level of significance. The dependent samples were obtained randomly. 4. Hypotheses: H0: MD = 0 versus H1: MD 7 0 with n = 20 and T- = -65. The Effect of Sample Size on the Margin of Error We know that larger sample sizes produce more precise estimates (the Law of Large Numbers). Given that the margin of error is za 2 # B pn 11 - pn 2 n , we can see that increasing the sample size n decreases the standard error; so the margin of error decreases. This means that larger sample sizes will result in narrower confidence intervals. To illustrate this idea, suppose the survey conducted in Example 4 resulted in pn = 0.34 for the proportion of 16- to 17-year-old teenagers who text while driving, but the sample size is only 200.

Step 2 of 2

##### ISBN: 9780134133539

The full step-by-step solution to problem: 4 from chapter: 15.4 was answered by , our top Statistics solution expert on 01/15/18, 03:19PM. The answer to “?In 3–10, use the Wilcoxon matched-pairs signedranks test to test the given hypotheses at the a = 0.05 level of significance. The dependent samples were obtained randomly.4. Hypotheses: H0: MD = 0 versus H1: MD 7 0 with n = 20 and T- = -65.” is broken down into a number of easy to follow steps, and 45 words. This full solution covers the following key subjects: . This expansive textbook survival guide covers 88 chapters, and 2422 solutions. This textbook survival guide was created for the textbook: Statistics: Informed Decisions Using Data, edition: 5. Statistics: Informed Decisions Using Data was written by and is associated to the ISBN: 9780134133539. Since the solution to 4 from 15.4 chapter was answered, more than 212 students have viewed the full step-by-step answer.

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