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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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Yessi15 Yessi15
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4 years ago
Blood pressure and cholesterol Suppose that both blood pressure and cholesterol levels of adult women can be described with Normal models, and that the correlation between these variables is 0.60. If a woman's blood pressure places her at the 88th percentile, at what percentile would you predict her cholesterol level to be?
Textbook 
Stats: Modeling the World

Stats: Modeling the World


Edition: 4th
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#1
4 years ago
Correlation: r = 0.60; Blood pressure at 88th percentile: zBP = 1.175
Regression to the mean predicts that zC will be r times as far from 0 as zBP was.
zC = 0.60 zBP = 0.60(1.175) = 0.705, so cholesterol will be approximately the 76th percentile.
Yessi15 Author
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#2
4 years ago
Exactly what I needed for my project, TYSM
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