Individual
Television
Radio
1
22
25
2
8
10
3
22
21
4
22
18
5
25
29
6
13
10
7
29
10
8
26
25
9
33
21
10
16
15
11
10
33
12
30
12
13
40
33
14
16
38
15
41
30
In
recent years, a growing array of entertainment options competes for
consumer time. By 2004, cable television...
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Question
Statistics
Individual
Television
Radio
1
22
25
2
8
10
3
22
21
4
22
18
5
25
29
6
13
10
7
29
10
8
26
25
9
33
21
10
16
15
11
10
33
12
30
12
13
40
33
14
16
38
15
41
30
Inrecent years, a growing array of entertainment options competes forconsumer time. By 2004, cable television and radio surpassedbroadcast television, recorded music, and the daily newspaper tobecome the two entertainment media with the greatest usage (TheWall Street Journal, January 26, 2004). Researchers used a sampleof 15 individuals and collected data on the hours per week spentwatching cable television and hours per week spent listening to theradio.
a. Use a.05 level of significance and test for a difference between thepopulation mean usage for cable television and radio. What is thep-value?
b. Whatis the sample mean number of hours per week spent watching cabletelevision? What is the sample mean number of hours per week spentlistening to radio? Which medium has the greater usage?
Answer & Explanation
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a To test H0 There is no significant difference between the population mean usage for cable television and radio Against H1 There is a significant difference between the population mean usage for cable television and radio Given alfa 005 level of
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