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A study was conducted to see if taking supplements such as vitamins and minerals influence the risk of developing prostate cancer. To find some answer,

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A study was conducted to see if taking supplements such as vitamins and minerals influence the risk of developing prostate cancer. To find some answer, 34887 men were randomly assigned to take selenium, vitamin E, both selenium and vitamin E, or placebo, and then followed up to see whether they developed prostate cancer. The following table summarizes the result of the study. No Cancer Cancer Total Selenium 8177 (8180) 575 (571) 8752 Vitamin E 8117 (8166) 620 (570) 8737 Selenium & Vitamin E 8147 (8133) 555 (568) 8702 Placebo 8167 (8127) 529 (568) 8696 Total 32608 2279 34887 Q2.1 1 Point Select the name of the test that should be used to assess if the distribution of the responses is the same for the four treatment groups. Chi-squared goodness of fit test O Chi-squared independence test

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