PH 167, Practice Exam for Final, Fall 2020 Question 2 Is there a difference in fruit consumption between males and females? A researcher decided to put this hypothesis to the test. She surveyed a sample of 91 PH-167 students in the Fall 2020 and obtained information on their fruit consumption. Determine whether the proportion of females consuming 2 or more vegetables a day is significantly different from that of males. Sex Consume 2 or more servings Total of fruit daily? Yes No Female 50 26 76 Males 7 8 15 A. What is the for females ( ?) [Report your answer to 3 decimal places]? B. What is the for males ( 2) [Report your answer to 3 decimal places]? C. What is the prevalence ratio [Report your answer to 2 decimal places]? ( z?z? P1) D. Is this a positive or negative association? E. Does this represent an increase or decrease in the prevalence of consuming 2 or more servings a day of fruit in females compared to males? F. Express this prevalence ratio as a percentage