How long students spend commuting to school

Question

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