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A Researcher Wishes to Test Whether the Proportion of College

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A researcher wishes to test whether the proportion of college students who smoke is the same in four different colleges.She randomly selects 100 students from each college and records the number that smoke.The results are shown below. A researcher wishes to test whether the proportion of college students who smoke is the same in four different colleges.She randomly selects 100 students from each college and records the number that smoke.The results are shown below. Are the proportions of students smoking the same for all four colleges? Use a 1% level of significance.
Are the proportions of students smoking the same for all four colleges? Use a 1% level of significance.

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