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    Comparing Two Population Proportions

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    Which of the following examples illustrates a study that compares two population proportions?

    a. The amount of saliva secreted daily by men and women.

    b. The volume of air breathed daily by track runners and swimmers.

    c. The percentage of men and women who are color blind.

    d. The pounds of food digested daily by adult crocodiles and water buffaloes

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    Solution Summary

    This solution correctly identifies a study that compares two population proportions.