MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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The IQ scores for a random sample of subjects with medium lead levels in their blood and another random
sample of subjects with high lead levels in their blood are given below. Use a 0.05 significance level to test the
claim that subjects with medium lead levels have full IQ scores with a higher median that the median full IQ
score for subjects with high lead levels. Does lead level appear to affect full IQ scores?
Click the icon to view the data table.
First define the null and alternative hypotheses.
Ho:
H₁:
Data Table
Let the medium lead level be sample 1.
Medium Lead High Lead
Level
Level
66
98
64
87
63
HR22CTCTETUE
2 13 100 83 84
84
70
73
70
78
91
61
72
88
73
76
63
66
61
64
61
66
92
76
107
66
X
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Transcribed Image Text:The IQ scores for a random sample of subjects with medium lead levels in their blood and another random sample of subjects with high lead levels in their blood are given below. Use a 0.05 significance level to test the claim that subjects with medium lead levels have full IQ scores with a higher median that the median full IQ score for subjects with high lead levels. Does lead level appear to affect full IQ scores? Click the icon to view the data table. First define the null and alternative hypotheses. Ho: H₁: Data Table Let the medium lead level be sample 1. Medium Lead High Lead Level Level 66 98 64 87 63 HR22CTCTETUE 2 13 100 83 84 84 70 73 70 78 91 61 72 88 73 76 63 66 61 64 61 66 92 76 107 66 X
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