Solutions Statistics

There is increasing concern with the amount of time teens are spending watching television. Research

Question: There is increasing concern with the amount of time teens are spending watching television. Researchers polled 200 American teens, asking them to record how many hours they spent watching television during the previous week. The data is provided on the next page.

(a) Using this data, provide an estimate for the mean number of hours per week American teenagers watch television. How confident are you of your estimate?

(b) A study conducted five years ago indicated that, on average, American teenagers watched 25 hours of television a week. Does this data support the contention that American teenagers are watching more television now than they did five years ago? Support your response with a statistical argument.

Number of Hours Spent Watching Television During The Week Sample of 200 American Teenagers

26	32	21	19	26	38	36	27	33	19
30	34	12	45	21	19	34	39	19	27
36	22	17	21	14	52	22	24	12	25
28	27	6	28	34	8	32	21	39	39
36	24	20	42	39	53	44	34	33	32
32	36	42	22	27	30	24	32	32	34
20	31	35	23	23	35	37	36	33	35
21	23	23	36	23	15	22	24	23	42
20	34	32	19	17	35	37	19	21	23
24	31	27	22	52	27	26	9	19	12
31	7	25	25	25	27	33	19	24	36
18	22	28	22	34	32	30	28	24	36
23	13	40	19	28	21	29	21	17	20
27	28	35	28	21	23	7	20	36	33
26	25	34	33	27	37	18	37	13	16
30	16	22	19	16	18	31	28	35	25
36	26	31	8	26	0	39	31	20	16
33	33	38	31	23	29	26	29	30	39
42	34	32	42	28	14	8	21	35	21
24	38	29	35	23	29	27	41	37	29

(Note: You can simply copy and paste this table into Excel.)

Price: $2.99

Answer: The solution consists of 3 pages
Deliverables: Word Document

There is increasing concern with the amount of time teens are spending watching television. Research

reset password

sign up

26	32	21	19	26	38	36	27	33	19
30	34	12	45	21	19	34	39	19	27
36	22	17	21	14	52	22	24	12	25
28	27	6	28	34	8	32	21	39	39
36	24	20	42	39	53	44	34	33	32
32	36	42	22	27	30	24	32	32	34
20	31	35	23	23	35	37	36	33	35
21	23	23	36	23	15	22	24	23	42
20	34	32	19	17	35	37	19	21	23
24	31	27	22	52	27	26	9	19	12
31	7	25	25	25	27	33	19	24	36
18	22	28	22	34	32	30	28	24	36
23	13	40	19	28	21	29	21	17	20
27	28	35	28	21	23	7	20	36	33
26	25	34	33	27	37	18	37	13	16
30	16	22	19	16	18	31	28	35	25
36	26	31	8	26	0	39	31	20	16
33	33	38	31	23	29	26	29	30	39
42	34	32	42	28	14	8	21	35	21
24	38	29	35	23	29	27	41	37	29

26	32	21	19	26	38	36	27	33	19
30	34	12	45	21	19	34	39	19	27
36	22	17	21	14	52	22	24	12	25
28	27	6	28	34	8	32	21	39	39
36	24	20	42	39	53	44	34	33	32
32	36	42	22	27	30	24	32	32	34
20	31	35	23	23	35	37	36	33	35
21	23	23	36	23	15	22	24	23	42
20	34	32	19	17	35	37	19	21	23
24	31	27	22	52	27	26	9	19	12
31	7	25	25	25	27	33	19	24	36
18	22	28	22	34	32	30	28	24	36
23	13	40	19	28	21	29	21	17	20
27	28	35	28	21	23	7	20	36	33
26	25	34	33	27	37	18	37	13	16
30	16	22	19	16	18	31	28	35	25
36	26	31	8	26	0	39	31	20	16
33	33	38	31	23	29	26	29	30	39
42	34	32	42	28	14	8	21	35	21
24	38	29	35	23	29	27	41	37	29

26	32	21	19	26	38	36	27	33	19
30	34	12	45	21	19	34	39	19	27
36	22	17	21	14	52	22	24	12	25
28	27	6	28	34	8	32	21	39	39
36	24	20	42	39	53	44	34	33	32
32	36	42	22	27	30	24	32	32	34
20	31	35	23	23	35	37	36	33	35
21	23	23	36	23	15	22	24	23	42
20	34	32	19	17	35	37	19	21	23
24	31	27	22	52	27	26	9	19	12
31	7	25	25	25	27	33	19	24	36
18	22	28	22	34	32	30	28	24	36
23	13	40	19	28	21	29	21	17	20
27	28	35	28	21	23	7	20	36	33
26	25	34	33	27	37	18	37	13	16
30	16	22	19	16	18	31	28	35	25
36	26	31	8	26	0	39	31	20	16
33	33	38	31	23	29	26	29	30	39
42	34	32	42	28	14	8	21	35	21
24	38	29	35	23	29	27	41	37	29