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An undergraduate student performed a survey on the perceived physical and mental health of UBC students for her term project. She collected information by asking
An undergraduate student performed a survey on the perceived physical and mental health of UBC students for her term project. She collected information by asking students whether they are satised with their physical and mental hearth status. 135 male and 164 female UBC students were randomly chosen to participate in the survey. Aer nishing the survey, she presented the following tables in her term project paper. For both 533083: Number of students Perceived physical health, satised 239 Perceived physical health, not satised 60 Perceived mental health, satised 269 Perceived mental health, not satised 30 For male students: Number of students Perceived physical health, satised 102 Perceived physical health, not satised 33 Perceived mental health, satised 128 Perceived mental health, not satised '1' For female StUdEHtSSI Number of students Perceived physical health, satised 13'." Perceived physical health, not satised 2? Perceived mental health, satised 141 Perceived mental health, not satised 23 [a] To test independence or perceived physical health and sex, we want to use a chi-square model with 1 degreers] of freedom. {h} Compute the chisquare statistic used to test independence of perceived physical health and sex. Round your answer to 3 decimal plaoes. For all intermediate steps, keep at least 5 decimal plaoes. Answer: 0.0?12 [c] Which of the following statements is correct based on the result of the Chisquare test? OA. At a 5% signicance level, we reject the null hypothesis. "here is strong evidence that perceived physical health and sex are independent. 0 B. At a 5% signicance level, we reject the null hypothesis. "here is strong evidence that perceived physical health and sex are associated. @1 c. At a 5% signicance level, we do not reject the null hypothesis. There is little evidence that perceived physical health and sex are independent. 0 D. At a 5% signicance level, we do not reject the null hypothesis. There is little evidence that perceived physical health and sex are associated
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