Elementary Statistics Departmental Final Exam Part I (Form A) EmplD Problem #5 (

Question

Elementary Statistics Departmental Final Exam Part I (Form A) EmplD Problem #5 (12 points) In an survey, 270 students in a high school were asked where they prefer to do their holiday shopping. Possible responses were 'online' and 'in a store as male or female. The following table records the data collected. . The students were also categorized Online In Store Total Female Male Total 143 98 241 18 161 11 109 29270 What proportion of students answered that they prefer to shop for gifts in store? a. 2 points) b. What proportion of students are male and prefer to shop online? 2 points) What proportion of female students answered that they prefer to shop for gifts in store? c. 2 points) d. What proportion of male students answered that they prefer to shop for gifts in store? 2 points) Based on the findings above, can we conclude that gift the shopping preferences of these high school students is related to gender? Provide evidence for your conduson e. 4 points)

Explanation / Answer

Solution(a)

Proportion of students answered that they prefer to shop gift from shop = 29/270 = 0.1074 or 10.74%

Solution(b)

Proportion of male and shop = 0.3629

Solution(c)

Proportion of female that prefer to shop in store = 18/270 = 0.06666

Solution(d)

Proportion of male student who prefer buy in store = 11/270 = 0.04074

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