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Math Statistics Elementary Statistics (13th Edition)

Using Nonparametric Tests. In Exercises 1–10, use a 0.05 significance level with the indicated test. If no particular test is specified, use the appropriate nonparametric test from this chapter. 7. Old Faithful Listed below are time intervals (min) between eruptions of the Old Faithful geyser. The “recent” times are within the past few years, and the “past” times are from 1995. Test the claim that the two samples are from populations with the same median . Does the conclusion change with a 0.01 significance level?

Using Nonparametric Tests. In Exercises 1–10, use a 0.05 significance level with the indicated test. If no particular test is specified, use the appropriate nonparametric test from this chapter. 7. Old Faithful Listed below are time intervals (min) between eruptions of the Old Faithful geyser. The “recent” times are within the past few years, and the “past” times are from 1995. Test the claim that the two samples are from populations with the same median . Does the conclusion change with a 0.01 significance level?

Solution Summary: The author explains that the two samples are from populations with the same median.

Elementary Statistics (13th Edition)

Elementary Statistics (13th Edition)

13th Edition

ISBN: 9780134464244

Author: Triola

Publisher: PEARSON

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Chapter 13, Problem 7RE

Using Nonparametric Tests. In Exercises 1–10, use a 0.05 significance level with the indicated test. If no particular test is specified, use the appropriate nonparametric test from this chapter.

7. Old Faithful Listed below are time intervals (min) between eruptions of the Old Faithful geyser. The “recent” times are within the past few years, and the “past” times are from 1995. Test the claim that the two samples are from populations with the same median. Does the conclusion change with a 0.01 significance level?

Chapter 13, Problem 7RE, Using Nonparametric Tests. In Exercises 110, use a 0.05 significance level with the indicated test.

Definition Definition Middle value of a data set. The median divides a data set into two halves, and it also called the 50th percentile. The median is much less affected by outliers and skewed data than the mean. If the number of elements in a dataset is odd, then the middlemost element of the data arranged in ascending or descending order is the median. If the number of elements in the dataset is even, the average of the two central elements of the arranged data is the median of the set. For example, if a dataset has five items—12, 13, 21, 27, 31—the median is the third item in ascending order, or 21. If a dataset has six items—12, 13, 21, 27, 31, 33—the median is the average of the third (21) and fourth (27) items. It is calculated as follows: (21 + 27) / 2 = 24.

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Chapter 13, Problem 6RE

Chapter 13, Problem 8RE

Chapter 13 Solutions

Elementary Statistics (13th Edition)

Ch. 13.2 - Prob. 1BSC Ch. 13.2 - Prob. 2BSC Ch. 13.2 - Contradicting H1 An important step in conducting...Ch. 13.2 - Efficiency of the Sign Test Refer to Table 13-2 on...Ch. 13.2 - Matched Pairs. In Exercises 58, use the sign test...Ch. 13.2 - Matched Pairs. In Exercises 58, use the sign test...Ch. 13.2 - Matched Pairs. In Exercises 58, use the sign test...Ch. 13.2 - Matched Pairs. In Exercises 58, use the sign test...Ch. 13.2 - Nominal Data. In Exercises 912, use the sign test...Ch. 13.2 - Nominal Data. In Exercises 912, use the sign test...

Ch. 13.2 - Nominal Data. In Exercises 912, use the sign test...Ch. 13.2 - Nominal Data. In Exercises 912, use the sign test...Ch. 13.2 - Appendix B Data Sets. In Exercises 1316, refer to...Ch. 13.2 - Appendix B Data Sets. In Exercises 1316, refer to...Ch. 13.2 - Appendix B Data Sets. In Exercises 1316, refer to...Ch. 13.2 - Appendix B Data Sets. In Exercises 1316, refer to...Ch. 13.2 - Procedures for Handling Ties In the sign lest...Ch. 13.2 - Finding Critical Values Table A-7 lists critical...Ch. 13.3 - Wilcoxon Signed-Ranks Test for Body Temperatures...Ch. 13.3 - Prob. 2BSC Ch. 13.3 - Prob. 3BSC Ch. 13.3 - Prob. 4BSC Ch. 13.3 - Using the Wilcoxon Signed-Ranks Test. In Exercises...Ch. 13.3 - Using the Wilcoxon Signed-Ranks Test. In Exercises...Ch. 13.3 - Using the Wilcoxon Signed-Ranks Test. In Exercises...Ch. 13.3 - Using the Wilcoxon Signed-Ranks Test. In Exercises...Ch. 13.3 - Prob. 9BSC Ch. 13.3 - Prob. 10BSC Ch. 13.3 - Prob. 11BSC Ch. 13.3 - Prob. 12BSC Ch. 13.3 - Rank Sums Exercise 12 uses Data Set 23 Old...Ch. 13.4 - Prob. 1BSC Ch. 13.4 - Rank Sum After ranking the combined list of...Ch. 13.4 - Prob. 3BSC Ch. 13.4 - Prob. 4BSC Ch. 13.4 - Wilcoxon Rank-Sum Test. In Exercises 58, use the...Ch. 13.4 - Wilcoxon Rank-Sum Test. In Exercises 58, use the...Ch. 13.4 - Wilcoxon Rank-Sum Test. In Exercises 58, use the...Ch. 13.4 - Wilcoxon Rank-Sum Test. In Exercises 58, use the...Ch. 13.4 - Prob. 9BSC Ch. 13.4 - Appendix B Data Sets. In Exercises 912, refer to...Ch. 13.4 - Appendix B Data Sets. In Exercises 912, refer to...Ch. 13.4 - Appendix B Data Sets. In Exercises 912, refer to...Ch. 13.4 - Prob. 13BB Ch. 13.4 - Finding Critical Values Assume that we have two...Ch. 13.5 - Prob. 1BSC Ch. 13.5 - Requirements Assume that we want to use the data...Ch. 13.5 - Notation For the data given in Exercise 1,...Ch. 13.5 - Efficiency Refer to Table 13-2 on page 600 and...Ch. 13.5 - Prob. 5BSC Ch. 13.5 - Prob. 6BSC Ch. 13.5 - Prob. 7BSC Ch. 13.5 - Prob. 8BSC Ch. 13.5 - Appendix B Data Sets. In Exercises 912, use the...Ch. 13.5 - Prob. 10BSC Ch. 13.5 - Appendix B Data Sets. In Exercises 912, use the...Ch. 13.5 - Appendix B Data Sets. In Exercises 912, use the...Ch. 13.5 - Correcting the H Test Statistic for Ties In using...Ch. 13.6 - Regression If the methods of this section are used...Ch. 13.6 - Level of Measurement Which of the levels of...Ch. 13.6 - Notation What do r, rs , and ps denote? Why is the...Ch. 13.6 - Prob. 4BSC Ch. 13.6 - In Exercises 5 and 6, use the scatterplot to find...Ch. 13.6 - In Exercises 5 and 6, use the scatterplot to find...Ch. 13.6 - Testing for Rank Correlation. In Exercises 712,...Ch. 13.6 - Prob. 8BSC Ch. 13.6 - Testing for Rank Correlation. In Exercises 712,...Ch. 13.6 - Testing for Rank Correlation. In Exercises 712,...Ch. 13.6 - Prob. 11BSC Ch. 13.6 - Testing for Rank Correlation. In Exercises 712,...Ch. 13.6 - Prob. 13BSC Ch. 13.6 - Appendix B Data Sets. In Exercises 1316, use the...Ch. 13.6 - Appendix B Data Sets. In Exercises 1316, use the...Ch. 13.6 - Prob. 16BSC Ch. 13.6 - Prob. 17BB Ch. 13.7 - In Exercises 14, use the following sequence of...Ch. 13.7 - Prob. 2BSC Ch. 13.7 - Prob. 3BSC Ch. 13.7 - Prob. 4BSC Ch. 13.7 - Using the Runs Test for Randomness. In Exercises...Ch. 13.7 - Prob. 6BSC Ch. 13.7 - Prob. 7BSC Ch. 13.7 - Using the Runs Test for Randomness. In Exercises...Ch. 13.7 - Prob. 9BSC Ch. 13.7 - Prob. 10BSC Ch. 13.7 - Runs Test with Large Samples. In Exercises 912,...Ch. 13.7 - Prob. 12BSC Ch. 13 - Prob. 1CQQ Ch. 13 - Prob. 2CQQ Ch. 13 - Prob. 3CQQ Ch. 13 - Prob. 4CQQ Ch. 13 - Prob. 5CQQ Ch. 13 - Prob. 6CQQ Ch. 13 - Prob. 7CQQ Ch. 13 - Prob. 8CQQ Ch. 13 - Prob. 9CQQ Ch. 13 - Which Test? Three different judges give the same...Ch. 13 - Prob. 1RE Ch. 13 - Using Nonparametric Tests. In Exercises 110, use a...Ch. 13 - Prob. 3RE Ch. 13 - Prob. 4RE Ch. 13 - Prob. 5RE Ch. 13 - Prob. 6RE Ch. 13 - Using Nonparametric Tests. In Exercises 110, use a...Ch. 13 - Prob. 8RE Ch. 13 - Using Nonparametric Tests. In Exercises 1-10, use...Ch. 13 - Prob. 10RE Ch. 13 - Prob. 1CRE Ch. 13 - Prob. 2CRE Ch. 13 - In Exercises 13, use the data listed below. The...Ch. 13 - Prob. 4CRE Ch. 13 - Prob. 5CRE Ch. 13 - Prob. 6CRE Ch. 13 - Prob. 7CRE Ch. 13 - Prob. 8CRE Ch. 13 - Fear of Heights Among readers of a USA Today...Ch. 13 - Cell Phones and Crashes: Analyzing Newspaper...Ch. 13 - Prob. 1TP Ch. 13 - Prob. 1FDD

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