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How long students spend commuting to school


Discuss the below:

Q. The Dean of Students is interested in how long students spend commuting to school each day because the administration has been considering building dormitories. Since this college is highly selective and draws students from all the boroughs as well as the surrounding areas. A study was undertaken to see if the travel time is as long as is speculated.

A. Select a random sample of 25 from our college population (NOTE:74 students is the college population. At the .05 level of significance is there evidence that the average travel time to the school is greater than 45 minutes? (Choose the sample)

B. What assumptions must hold in order to perform the test in (A)?

C. Evaluate the assumption in (B) through a graphical approach. Are the results valid? Discuss.


 Social
Security		 Sex Date of Birth Class Major GPA Min.To
 College		 Do you
 work		 Hours per
week		 How many CD'S
Do you own		 How often do
you buy CD'S		 Do you buy DVD'S How Many How often do you
purchase clothing
1 2159 M 10/29/1979 Junior Finance 3.5 95 yes 40 50 yearly yes 20  6 months
2 3157 F 12/28/1960 Junior BM 3 75 yes 40                   100-200 yearly No 0  6 months
3          *0254 F 12/3/1980 Soph Finance 2.5 60 yes 40                         < 20 yearly No 0 Monthly
4 7797 F 11/15/1981 Junior Acct. 2.8 40 yes 30                    50<100 Every 2 months yes 15 Monthly
5 1386 F 12/7/1971 Soph Marketing 3 20 yes 40                         <20 yearly No 30 6 months
6 7493 M 8/23/1983 Junior Acct. 3.2 90 yes 30                      20<50 2 Months No 0 Monthly
7 6850 F 9/30/1980 Soph Finance 3 90 yes 25                    50<100 2 Months yes 40 Monthly
8 5070 F 12/20/1983 Junior Undecided 2.2 60 No 0                        <20 yearly No 0 Monthly
9 3231 M 9/13/1984 Soph Undecided 3.3 90 No 0                        <20 2 Months yes 30 6 months
10 4574 F 7/23/1979 Junior Acct. 3.8 60 yes 20                      20<50 2 Months yes 15 Monthly
11 3275 F 4/12/1982 Junior Mgmt. 4 75 yes 15                      20<50 yearly No 0 Every 2 months
12 9187 F 5/27/1979 Junior CIS 2.4 30 No 10                  100<200 2 Months yes 75 Every 2 months
13 5934 F 9/4/1981 Soph Marketing 3.5 15 No 15                  100<200 Monthly yes 4 Monthly
14 3656 M 5/23/1982 Soph Finance 3 75 No 0                           <20 yearly No 0 2 months
15 6299 F 6/18/1978 Soph Finance 3.7 60 No 0                          <20 yearly No 0 Monthly
16 2273 F 5/24/1981 Junior Mgmt. 3.5 30 yes 40 15 yearly No 0 Monthly
17 2692 F 12/3/1985 Soph Acct. 3 45 yes 20                          <25 yearly No 0 6 months
18 9777 F 8/21/1984 Soph Marketing 3 120 No 0                      20<50  2 months yes 20 weekly
19 8387 F 3/2/1983 Soph Acct. 3.7 70 yes 12                          <20 yearly yes 3 weekly
20          *0887 F 3/23/1980 Soph CIS 3.8 40 yes 35                          <20 yearly No 5 weekly
21 2144 M 12/7/1953 Junior Business 3.9 30 yes 40 200 weekly No 10 Monthly
22 3279 F 12/2/1967 Soph Acct. 3.3 30 yes 25                  100-200 Monthly yes 20 weekly
23 9716 M 1/29/1984 Soph Economic 3.8 60 No 10                         <20 Every 2 months No 12 Every 2 months
24 6448 M 7/21/1983 Soph Finance 3.6 60 yes 15                  100-200 Monthly yes 20 Monthly
25 3520 M 12/29/1981 Junior Finance 3.3 45 yes 20                    50-100 yearly No 25 every 6 months
26 5017 F 4/22/1984 Soph Business 3.3 60 No 5                         <20 yearly No 5 weekly
27 8088 F 8/29/1983 Soph Business 3.5 30 No 15 30 Monthly yes 30 Monthly
28 3817 F 2/16/1982 Junior Acct. 0 70 yes 28                    50<100 Monthly yes 20 weekly
29          *0814 F 5/6/1983 Soph CIS 3.4 45 No 0                  100<200 weekly No 0 6 months
30 2054 F 4/19/1983 Soph Acct. 2.5 45 No 0                    50<100 yearly yes 20 6 months
31 2860 M 10/25/1978 Junior PSY 2.2 45 yes 25                 100<200 yearly yes 4 6 months
32 9501 F 9/16/1981 Soph Finance 3.6 10 No 0 200 Monthly No 0 Monthly
33 2820 F 11/29/1983 Junior Mgmt. 2.5 60 yes 35                      20<50 Monthly yes 10 Monthly
34 8317 F 11/16/1983 Junior Finance 3.6 90 yes 45                        0<20 yearly No 0 Monthly
35 2824 M 3/9/1982 Junior Finance 2.8 45 No 0                         >200 Monthly yes 100 6 months
36 8584 M 1/20/1983 Junior PSY 3.7 40 yes 30                     20<50 yearly yes 25 Monthly
37 9284 F 9/9/1984 Soph Acct. 2.5 45 No 0                  100<200 2 Months yes 15 6 months
38 8143 F 2/11/1975 Junior Sta 3.1 30 yes 45                          <20 yearly No 0 2 months
39 5754 M 8/11/1980 Senior Marketing 3.2 120 No 0                        >100 Monthly yes 9 6 months
40         *0890 F 3/1/1983 Soph Acct. 3.3 50 yes 24                 100<200 yearly No 0 6 months
41 8846 M 6/7/1984 Soph Business 2.3 50 yes 25                      20<80 2 Months No 0 Monthly
42 811 M 3/4/1984 Soph Finance 3.2 60 yes 25                  100<200 Monthly No 0 Monthly
43 7431 F 8/13/1983 Soph Marketing 2.2 60 yes 25                           <50 Monthly No 0 2 months
44          *0541 M 9/4/1975 Soph Acct. 3 45 yes 30                          <50 Monthly No 0 2 months
45 4114 F 11/1/1984 Soph Business 2.7 60 yes 25                          <20 yearly No 0 Monthly
46 7360 F 9/25/1984 Soph Acct. 3.6 60 yes 12                          >20 yearly No 0 Monthly
47 8311 M 10/11/1980 Junior Business 2.9 45 yes 40 100 weekly yes 16 weekly
48 281 F 7/13/1984 Soph Finance 4 60 No 0 20 2 Months No 0 weekly
49 2824 M 3/9/1982 Junior Finance 2.8 45 No 0                         >200 Monthly yes 100 6 months
50 384 F 1/1/1982 Junior Acct. 2.7 45 yes 35                          <20 yearly yes 10 weekly
51 7331 M 6/20/1973 Soph Economic 2.5 35 No 0                          <20 yearly yes 10 6 months
52 210 F 3/2/1983 Junior Acct. 3 75 No 0                          <20 weekly No 0 2 months
53 3675 M 2/25/1980 Junior CIS 3.4 30 yes 24                       20<50 yearly yes 30 Monthly
54 8788 M 6/22/1984 Soph Acct. 3.7 55 No 0                  100<200 2 Months yes 5 6 months
55 454 F 11/9/1984 Soph Acct. 3.4 70 yes 20                           <20 yearly No 0 6 months
56 4492 F 12/4/1984 Soph Finance 3.6 120 yes 10                     20<50 yearly yes 10 6 months
57 4216 M 6/25/1984 Soph Acct. 3 100 yes 20                  100<200 yearly yes 15 2 months
58 3254 M 10/31/1984 Soph Undecided 3 30 yes 21                    50<100 2 Months yes 20 2 months
59 7413 F 11/13/1982 Soph Undecided 3.2 60 No 0                         <20 yearly yes 2 6 months
60 2045 F 5/8/1983 Junior Finance 3 50 yes 16                         <20 2 Months yes 10 6 months
61 6290 F 2/2/1979 Junior Marketing 3 80 yes 8                    50<100 Monthly yes 50 Monthly
62 3871 F 10/1/1983 Junior Mgmt. 3.5 75 No 0                    50<100 2 Months No 0 weekly
63 8548 M 10/13/1979 Junior Marketing 3.1 60 yes 20                    50<100 2 Months No 0 2 months
64 1053 M 5/9/1982 Junior Acct. 0 45 yes 26 20 2 Months No 0 2 months
65 2960 M 1/4/1980 Junior Acct. 0 45 yes 25                           <50 2 Months yes 12 2 months
66 6116 M 12/2/1980 Junior CIS 3.5 60 yes 20                       20<50 Monthly No 0 6 months
67 6812 F 3/26/1982 Junior PSY 2.2 45 yes 15                    50<100 2 Months yes 30 Monthly
68 8220 F 5/22/1978 Junior Mgmt. 2.5 45 yes 30                  100<200 Monthly yes 50 weekly
69 8142 F 8/21/1981 Junior Acct. 3.3 35 No 0                      20<50 yearly yes 10 Monthly
70 4625 M 4/8/1981 Junior Business 3.3 55 yes 20                      20<50 Monthly yes 35 Monthly
71 182 F 4/22/1983 Junior Acct. 2.5 90 yes 20                      20<50 Monthly No 0 Monthly
72 1338 F 8/20/1979 Soph Business 0 60 No 0                    50<100 Monthly yes 10 6 months
73          *0278 F 2/19/1983 Soph Undecided 3.7 50    yes 24                     20<50 Every 6 months yes 5 Monthly
74          *0921 M 4/7/1979 Junior Mgmt. 3 15              yes 35 50 Monthly yes 10 Monthly

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