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The paper "Trends in Blood Lead Levels and Blood Lead Testing among U.S. Children Aged 1 to 5 Years"t gave data on blood lead levels (in mg/dL) for samples of children living in homes that had been classified either at low, medium, or high risk of lead exposure, based on when the home was constructed. After using a multiple comparison procedure, the authors reported the following. 1. The difference in mean blood lead level between low-risk housing and medium-risk housing was significant. 2. The difference in mean blood lead level between low-risk housing and high-risk housing was significant. 3. The difference in mean blood lead level between medium-risk housing and high-risk housing was significant. Which of the following sets of T-K intervals (Set 1, 2, or 3) is consistent with the authors' conclusions? Explain your choice. H2 = mean blood lead level for children living in low-risk housing = mean blood lead level for children living in mediumrisk housing HH = mean blood lead level for children living in high-risk housing Difference Set 1 Set 2 Set 3 (-0.6, 0.1) (-0.6, -0.1) (-0.6, -0.1) (-1.5, -0.6) (-1.5, -0.6) (-1.5, -0.6) HM - HH (-0.9, -0.3) (-0.9, 0.3) (-0.9, -0.3) Set 2 is consistent with the author's conclusions because some of the given intervals in that set contain zero. Set 1 is consistent with the author's conclusions because none of the given intervals in that set contain zero. Set 2 is consistent with the author's conclusions because none of the given intervals in that set contain zero. O Set 3 is consistent with the author's conclusions because none of the given intervals in that set contain zero. Set 1 is consistent with the author's conclusions because some of the given intervals in that set contain zero. Set 3 is consistent with the author's conclusions because some of the given intervals in that set contain zero. O O O O O O

The paper "Trends in Blood Lead Levels and Blood Lead Testing among U.S. Children Aged 1 to 5 Years"t gave data on blood lead levels (in mg/dL) for samples of children living in homes that had been classified either at low, medium, or high risk of lead exposure, based on when the home was constructed. After using a multiple comparison procedure, the authors reported the following. 1. The difference in mean blood lead level between low-risk housing and medium-risk housing was significant. 2. The difference in mean blood lead level between low-risk housing and high-risk housing was significant. 3. The difference in mean blood lead level between medium-risk housing and high-risk housing was significant. Which of the following sets of T-K intervals (Set 1, 2, or 3) is consistent with the authors' conclusions? Explain your choice. H2 = mean blood lead level for children living in low-risk housing = mean blood lead level for children living in mediumrisk housing HH = mean blood lead level for children living in high-risk housing Difference Set 1 Set 2 Set 3 (-0.6, 0.1) (-0.6, -0.1) (-0.6, -0.1) (-1.5, -0.6) (-1.5, -0.6) (-1.5, -0.6) HM - HH (-0.9, -0.3) (-0.9, 0.3) (-0.9, -0.3) Set 2 is consistent with the author's conclusions because some of the given intervals in that set contain zero. Set 1 is consistent with the author's conclusions because none of the given intervals in that set contain zero. Set 2 is consistent with the author's conclusions because none of the given intervals in that set contain zero. O Set 3 is consistent with the author's conclusions because none of the given intervals in that set contain zero. Set 1 is consistent with the author's conclusions because some of the given intervals in that set contain zero. Set 3 is consistent with the author's conclusions because some of the given intervals in that set contain zero. O O O O O O

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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The paper "Trends in Blood Lead Levels and Blood Lead Testing among U.S. Children Aged 1 to 5 Years"t gave data on blood lead levels (in mg/dL) for samples of children living in homes that had been classified either at low, medium, or high risk of lead exposure, based on when the home was constructed. After using a multiple comparison procedure, the authors reported the following. 1. The difference in mean blood lead level between low-risk housing and medium-risk housing was significant. 2. The difference in mean blood lead level between low-risk housing and high-risk housing was significant. 3. The difference in mean blood lead level between medium-risk housing and high-risk housing was significant. Which of the following sets of T-K intervals (Set 1, 2, or 3) is consistent with the authors' conclusions? Explain your choice. • 4, = mean blood lead level for children living in low-risk housing uM = mean blood lead level for children living in mediumrisk housing Hy = mean blood lead level for children living in high-risk housing Difference Set 1 Set 2 Set 3 (-0.6, 0.1) (-0.6, -0.1) (-0.6, -0.1) WH - In (-1.5, -0.6) (-1.5, -0.6) (-1.5, -0.6) HM - HH (-0.9, -0.3) (-0.9, 0.3) (-0.9, -0.3) O Set 2 is consistent with the author's conclusions because some of the given intervals in that set contain zero. Set 1 is consistent with the author's conclusions because none of the given intervals in that set contain zero. Set 2 is consistent with the author's conclusions because none of the given intervals in that set contain zero. Set 3 is consistent with the author's conclusions because none of the given intervals in that set contain zero. Set 1 is consistent with the author's conclusions because some of the given intervals in that set contain zero. Set 3 is consistent with the author's conclusions because some of the given intervals in that set contain zero. O O O
Transcribed Image Text:The paper "Trends in Blood Lead Levels and Blood Lead Testing among U.S. Children Aged 1 to 5 Years"t gave data on blood lead levels (in mg/dL) for samples of children living in homes that had been classified either at low, medium, or high risk of lead exposure, based on when the home was constructed. After using a multiple comparison procedure, the authors reported the following. 1. The difference in mean blood lead level between low-risk housing and medium-risk housing was significant. 2. The difference in mean blood lead level between low-risk housing and high-risk housing was significant. 3. The difference in mean blood lead level between medium-risk housing and high-risk housing was significant. Which of the following sets of T-K intervals (Set 1, 2, or 3) is consistent with the authors' conclusions? Explain your choice. • 4, = mean blood lead level for children living in low-risk housing uM = mean blood lead level for children living in mediumrisk housing Hy = mean blood lead level for children living in high-risk housing Difference Set 1 Set 2 Set 3 (-0.6, 0.1) (-0.6, -0.1) (-0.6, -0.1) WH - In (-1.5, -0.6) (-1.5, -0.6) (-1.5, -0.6) HM - HH (-0.9, -0.3) (-0.9, 0.3) (-0.9, -0.3) O Set 2 is consistent with the author's conclusions because some of the given intervals in that set contain zero. Set 1 is consistent with the author's conclusions because none of the given intervals in that set contain zero. Set 2 is consistent with the author's conclusions because none of the given intervals in that set contain zero. Set 3 is consistent with the author's conclusions because none of the given intervals in that set contain zero. Set 1 is consistent with the author's conclusions because some of the given intervals in that set contain zero. Set 3 is consistent with the author's conclusions because some of the given intervals in that set contain zero. O O O
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