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Solved: Effect of Lead on IQ Score Listed below are full

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

Solution for problem 1 BSC 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 1 BSC

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 com­bined, then we must find the sum of the ranks for each- sample. Find the sum of the ranks for each of the three samples.

    Low Lead Level

Medium Lead Level

High Lead Level

70

72

82

85

90

93

86

92

85

76

71

75

84

86

85

 

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:
Step 1 of 3

Solution 1BSC

Ranks for the High Lead Level are 7 , 16 , 10 , 4 , 10

Sum of ranks = 7 + 16...

Step 2 of 3

Chapter 13.5, Problem 1 BSC is Solved
Step 3 of 3

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

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Solved: Effect of Lead on IQ Score Listed below are full