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Effect of Lead on IQ Score Listed below are full IQ scores

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

Solution for problem 1BSC 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 1BSC

Effect of Lead on IQ Score? Listed below are full IQ scores from simple random samples of subjects with low lead exposure, medium lead exposure, and high lead exposure (from Data Set in Appendix B). In using the Kruskal-Wallis test, we must rank all of the data com?bined, then we must find the sum of the ranks for each- sample. Find the sum of the ranks for each of the three samples. H i g h Med Lo L ium w e Lea Le a d ad d Leve Le L l vel e v e l 8 70 72 2 9 85 90 3 8 86 92 5 76 71 7 5 8 84 86 5 79 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 1BSC Step 1 Listed below are the full IQ scores from simple random samples of subjects with low lead exposure, medium lead exposure, and high lead exposure (from Data Set in Appendix B). Low Lead Medium Lead Level High Lead Level Level 70 72 82 85 90 93 86 92 85 76 71 75 84 86 85 79 All these three subjects with low lead exposure, medium lead exposure, and high lead exposure samples are combined together to get a big sample. Hence there are 16 combined sample values are assigned the next step is to rank the difference scores. We first order the absolute values of the difference scores and assign rank from 1 through ‘n’ to the smallest through largest absolute values of the difference scores, and assign the mean rank when there are ties in the absolute values of the difference scores. The smallest value is assigned as the rank 1, here 70 is the smallest value and so on up to the largest value 93 is assigned as rank 16. Low Lead Medium Lead Level High Lead Level Level 70(1) 72(3) 82(7) 85(10) 90(14) 93(16) 86(12.5) 92(15) 85(10) 76(5) 71(2) 75(4) 84(8) 86(12.5) 85(10) 79(6)

Step 2 of 2

Chapter 13.5, Problem 1BSC is Solved
Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

Elementary Statistics was written by and is associated to the ISBN: 9780321836960. This textbook survival guide was created for the textbook: Elementary Statistics, edition: 12. Since the solution to 1BSC from 13.5 chapter was answered, more than 304 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 1BSC from chapter: 13.5 was answered by , our top Statistics solution expert on 03/15/17, 10:30PM. This full solution covers the following key subjects: lead, exposure, mile, must, ranks. This expansive textbook survival guide covers 121 chapters, and 3629 solutions. The answer to “Effect of Lead on IQ Score? Listed below are full IQ scores from simple random samples of subjects with low lead exposure, medium lead exposure, and high lead exposure (from Data Set in Appendix B). In using the Kruskal-Wallis test, we must rank all of the data com?bined, then we must find the sum of the ranks for each- sample. Find the sum of the ranks for each of the three samples. H i g h Med Lo L ium w e Lea Le a d ad d Leve Le L l vel e v e l 8 70 72 2 9 85 90 3 8 86 92 5 76 71 7 5 8 84 86 5 79 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 139 words.

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