A large company in New Brunswick that buys fish from local fisheries and distributes them to major

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A large company in New Brunswick that buys fish from local fisheries and distributes them to major companies and restaurants is considering launching a new ad campaign on the health benefits of fish. As evidence, it would like to cite the following study. Medical researchers followed 6272 Swedish men for 30 years to see if there was any association between the amount of fish in their diet and prostate cancer.

Prostate Cancer No Yes Never/Seldom 110 105 Small Part of Diet 2420 201 Moderate Part 2769 209 Large Part 507 42 Fish Co


a) Is this a test of homogeneity (independence) or goodness- of-fit?

b) Do you see evidence of an association between the amount of fish in a man’s diet and his risk of developing prostate cancer?

c) Does this study prove that eating fish does not prevent prostate cancer? Explain.

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Business Statistics

ISBN: 9780133899122

3rd Canadian Edition

Authors: Norean D. Sharpe, Richard D. De Veaux, Paul F. Velleman, David Wright

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