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The accompanying data set lists full 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. Use a 0.05 significance level to test the claim that IQ scores of subjects with medium lead levels vary more than IQ scores of subjects with high lead levels. U12 H₁:0² <0² C. Ho: o² = 0² H₁:0² > 0² Identify the test statistic. The test statistic is (Round to two decimal places as needed.) Medium High 72 90 92 71 86 79 83 114 100 93 91 98 91 46 85 78 U12 H₁: 0² = 0²/ OD. Ho: 0²=0² H₁:0² #0² 82 93 85 75 85 80 101 89 80 94 88 104 88 88 83

The accompanying data set lists full 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. Use a 0.05 significance level to test the claim that IQ scores of subjects with medium lead levels vary more than IQ scores of subjects with high lead levels. U12 H₁:0² <0² C. Ho: o² = 0² H₁:0² > 0² Identify the test statistic. The test statistic is (Round to two decimal places as needed.) Medium High 72 90 92 71 86 79 83 114 100 93 91 98 91 46 85 78 U12 H₁: 0² = 0²/ OD. Ho: 0²=0² H₁:0² #0² 82 93 85 75 85 80 101 89 80 94 88 104 88 88 83

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.2: The Least Square Line
Problem 8E
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The accompanying data set lists full 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. Use a 0.05 significance level to test the claim that IQ scores of subjects with medium lead levels vary more than IQ scores of subjects with high lead levels. "U ~12 H₁:0² <0² C. Ho: o² = 0² H₁:0² > 0² Identify the test statistic. The test statistic is (Round to two decimal places as needed.) Medium High 72 90 92 71 86 79 83 114 100 93 91 98 91 46 85 78 U12 H₁: 0² = 0² D. Ho: o² = 0² H₁:0² #0² 82 93 85 75 85 80 101 89 80 94 88 104 88 88 83
Transcribed Image Text:The accompanying data set lists full 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. Use a 0.05 significance level to test the claim that IQ scores of subjects with medium lead levels vary more than IQ scores of subjects with high lead levels. "U ~12 H₁:0² <0² C. Ho: o² = 0² H₁:0² > 0² Identify the test statistic. The test statistic is (Round to two decimal places as needed.) Medium High 72 90 92 71 86 79 83 114 100 93 91 98 91 46 85 78 U12 H₁: 0² = 0² D. Ho: o² = 0² H₁:0² #0² 82 93 85 75 85 80 101 89 80 94 88 104 88 88 83
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