Elementary Statistics - Excel Statistics Laboratory Manual

13th Edition

ISBN: 9780134464275

Author: Triola

Publisher: PEARSON

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Chapter 9.3, Problem 8BSC

In Exercises 5–16, use the listed paired sample data, and assume that the samples are simple random samples and that the differences have a distribution that is approximately normal.

8. The Spoken Word Listed below are the numbers of words spoken in a day by each member of six different couples. The data are randomly selected from the first two columns in Data Set 24 “Word Counts” in Appendix B.

a. Use a 0.05 significance level to test the claim that among couples, males speak fewer words in a day than females.

b. Construct the confidence interval that could be used for the hypothesis test described in part (a). What feature of the confidence interval leads to the same conclusion reached in part (a)?

Chapter 9.3, Problem 8BSC, In Exercises 516, use the listed paired sample data, and assume that the samples are simple random

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Chapter 9.3, Problem 7BSC

Chapter 9.3, Problem 9BSC

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Chapter 9 Solutions

Elementary Statistics - Excel Statistics Laboratory Manual

Ch. 9.1 - Verifying Requirements In the largest clinical...Ch. 9.1 - Verifying Requirements In the largest clinical...Ch. 9.1 - Hypotheses and Conclusions Refer to the hypothesis...Ch. 9.1 - Using Confidence Intervals a. Assume that we want...Ch. 9.1 - Interpreting Displays. In Exercises 5 and 6, use...Ch. 9.1 - Treating Carpal Tunnel Syndrome Carpal tunnel...Ch. 9.1 - Testing Claims About Proportions. In Exercises...Ch. 9.1 - Accuracy of Fast Food Drive-Through Orders In a...Ch. 9.1 - Testing Claims About Proportions. In Exercises...Ch. 9.1 - Testing Claims About Proportions. In Exercises...

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