A study published in 2005 examined health and dietamong a representative sample of Canadian women.Researchers reported that only 6.8% of women who werevegetarians had high cholesterol, compared to 11.3% ofnon-vegetarians.a) Explain two reasons why this study would not justifya newspaper headline proclaiming, “Want to LowerYour Cholesterol? Become a Vegetarian!” Include analternative explanation for the reported difference.b) If these results were based on data collected from 162vegetarians and 177 non-vegetarians, do they providestatistical evidence that there’s a difference in therates of high cholesterol in the two populations?
A study published in 2005 examined health and dietamong a representative sample of Canadian women.Researchers reported that only 6.8% of women who werevegetarians had high cholesterol, compared to 11.3% ofnon-vegetarians.a) Explain two reasons why this study would not justifya newspaper headline proclaiming, “Want to LowerYour Cholesterol? Become a Vegetarian!” Include analternative explanation for the reported difference.b) If these results were based on data collected from 162vegetarians and 177 non-vegetarians, do they providestatistical evidence that there’s a difference in therates of high cholesterol in the two populations?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Question
A study published in 2005 examined health and diet
among a representative sample of Canadian women.
Researchers reported that only 6.8% of women who werevegetarians had high cholesterol, compared to 11.3% of
non-vegetarians.
a) Explain two reasons why this study would not justify
a newspaper headline proclaiming, “Want to Lower
Your Cholesterol? Become a Vegetarian!” Include an
alternative explanation for the reported difference.
b) If these results were based on data collected from 162
vegetarians and 177 non-vegetarians, do they provide
statistical evidence that there’s a difference in the
rates of high cholesterol in the two populations?
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