You want to know if there is a relationship between having gender and diabetes. Of 50 females, 27 have diabetes; of 50 males, 12 have diabetes. Construct acontingency table with observed frequencies and marginal totals. What will be the expected frequencies, critical value ( alpha 0.5), test statistic, and conclusion?

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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You want to know if there is a relationship between having gender and diabetes. Of 50 females, 27 have
diabetes; of 50 males, 12 have diabetes. Construct acontingency table with observed frequencies and marginal totals. What will be the expected frequencies, critical value ( alpha 0.5), test statistic, and conclusion?

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