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Solved: use the Kruskal - Wallis test with the data set

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 9BSC Chapter 13.5

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 9BSC

use the Kruskal - Wallis test with the data set from Appendix B?. IQ and Lead Exposure? Data Set in Appendix B lists performance IQ scores for random samples of subjects with blood lead levels categorized as low, medium, and high. Use a 0.01 significance level to test the claim that subjects in those categories have the same median per?formance IQ score. Does lead exposure appear to have an adverse effect? Mile 1 3:15 3:24 3:23 3:22 3:21 Mile 2 3:19 3:22 3:21 3:17 3:19 Mile 3 3:34 3:31 3:29 3:31 3:29

Step-by-Step Solution:

Solution 9BSC Step 1 By using = 0.01 level of significance to test the claim that subjects in those categories have the same median performance IQ score. The Hypotheses can be expressed as H : subjects in those categories have the same median performance IQ score. 0 H1 subjects in those categories have the different median performance IQ score. The test statistic can be found by using MINITAB as shown below From the MINITAB output, we have H = 8.01 is the required value of test statistic and P-value = 0.018. The smaller P-value is, the stronger the evidence against H and in favor of...

Step 2 of 3

Chapter 13.5, Problem 9BSC is Solved
Step 3 of 3

Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

Elementary Statistics was written by and is associated to the ISBN: 9780321836960. This full solution covers the following key subjects: mile, lead, set, subjects, test. This expansive textbook survival guide covers 121 chapters, and 3629 solutions. The answer to “use the Kruskal - Wallis test with the data set from Appendix B?. IQ and Lead Exposure? Data Set in Appendix B lists performance IQ scores for random samples of subjects with blood lead levels categorized as low, medium, and high. Use a 0.01 significance level to test the claim that subjects in those categories have the same median per?formance IQ score. Does lead exposure appear to have an adverse effect? Mile 1 3:15 3:24 3:23 3:22 3:21 Mile 2 3:19 3:22 3:21 3:17 3:19 Mile 3 3:34 3:31 3:29 3:31 3:29” is broken down into a number of easy to follow steps, and 92 words. The full step-by-step solution to problem: 9BSC from chapter: 13.5 was answered by , our top Statistics solution expert on 03/15/17, 10:30PM. This textbook survival guide was created for the textbook: Elementary Statistics, edition: 12. Since the solution to 9BSC from 13.5 chapter was answered, more than 284 students have viewed the full step-by-step answer.

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Solved: use the Kruskal - Wallis test with the data set

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