Catalog shopping (optional). What is themost important reason that students buy

Question

Catalog shopping (optional). What is themost important reason that students buy from catalogs? The answer may differ for different groups

of students. Here are result for samples of



American and East Asian students at a large


midwestern university.











American Asian



Savetime 29 10



Easy 28 11



Lowprice 17 34



Live far fromstores 11 4



No pressureto buy 10 3



Otherreason 20 7



Total 115 69










a) Give the marginal distribution of reasons for all students, inpercents.







b) Give the two conditional distributions of reasons, for Americanand for
East Asianstudents. What are the most important differences between
the two groups of students?




Catalog shopping (optional). What is themost important reason that students buy from catalogs? The answer may differ for different groups

of students. Here are result for samples of



American and East Asian students at a large


midwestern university.











American Asian



Savetime 29 10



Easy 28 11



Lowprice 17 34



Live far fromstores 11 4



No pressureto buy 10 3



Otherreason 20 7



Total 115 69










a) Give the marginal distribution of reasons for all students, inpercents.







b) Give the two conditional distributions of reasons, for Americanand for
East Asianstudents. What are the most important differences between
the two groups of students?

Explanation / Answer

U.S.
Asian Total
Total % (part A)

U.S. and Asian% (part B) Save time 29 10
39
39/184*100=21.20 29/115*100=25.22
10/69*100=14.49
Easy 28 11
39
21.20 28/115*100=24.35
11/69*100=15.94
Low price 17 34
51
51/184*100=27.71 17/115*100=14.78
34/69*100=49.28
Live far from stores 11 4
15
15/184*100=8.15 11/115*100=9.57
4/69*100=5.80
No pressure to buy 10 3
13 13/184*100=7.07
10/115*100=8.70
3/69*100=4.35
Other reason 20 7
27
27/184*100=14.67 20/115*100=17.39
7/69*100=10.14
Total 115 69
184
100 100
100

Part B - differences: A higher percentage of American students shop onlinebecause it's easier and it saves time, whereas the biggest reason(by a large margin) that East Asian students shop online is lowerprices. Also, the American students had a higher percentagein every category besides saving money, so more of the Americanstudents tended to have reasons other than that it saves time(which was what the highest percent said) as opposed to the EastAsian students where almost half said they shop online because it'scheaper (and not even 1/3 that percentage of students said theyshopped online for any other reason).






U.S.
Asian Total
Total % (part A)

U.S. and Asian% (part B) Save time 29 10
39
39/184*100=21.20 29/115*100=25.22
10/69*100=14.49
Easy 28 11
39
21.20 28/115*100=24.35
11/69*100=15.94
Low price 17 34
51
51/184*100=27.71 17/115*100=14.78
34/69*100=49.28
Live far from stores 11 4
15
15/184*100=8.15 11/115*100=9.57
4/69*100=5.80
No pressure to buy 10 3
13 13/184*100=7.07
10/115*100=8.70
3/69*100=4.35
Other reason 20 7
27
27/184*100=14.67 20/115*100=17.39
7/69*100=10.14
Total 115 69
184
100 100
100

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