Is given a test of homogeneity or independence

Reference no: EM131427105

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. ("Fatty Fish Consumption and Risk of Prostate Cancer", Lancet, June 2001)

Fish Consumption	Total Subjects	Prostate Cancers
Never/seldom	124	14
Small part of diet	2621	201
Moderate part	2978	209
Large part	549	42

a) Is this a survey, a retrospective study, a prospective study, or an experiment? Explain.

b) Is this a test of homogeneity or independence?

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

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

Reference no: EM131427105

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