Question

3. Should the CBC hire stars for their movies? To answer this question, run a hypothesis...

3. Should the CBC hire stars for their movies? To answer this question, run a hypothesis test to see if there is a significant difference between the ratings of movies with stars versus movies without stars. Use the data for CBC movies only. Use 95% confidence. Answer the following: a. What are the null and alternative hypotheses (state in full sentences)? b. Run the test using Excel and include the output table. Use a t-test assuming equal variances. c. What is your recommendation to the executives? Justify your answer referring to the relevant figures.

Observation Network Month Day Rating Fact Stars
1 BBS 1 1 15.6 0 1
2 BBS 1 7 10.8 1 0
3 BBS 1 7 14.1 0 1
4 BBS 1 1 16.8 1 1
5 BBS 2 1 14.3 1 1
6 BBS 2 1 17.1 1 1
7 BBS 3 1 15.8 0 0
8 BBS 3 7 16.2 1 0
9 BBS 4 7 12.6 0 1
10 BBS 5 1 13.5 0 1
11 BBS 5 7 15.6 0 0
12 BBS 5 1 12.1 0 1
13 BBS 5 1 15.8 1 0
14 BBS 9 7 15 1 0
15 BBS 9 7 16.3 0 0
16 BBS 9 7 13.3 0 1
17 BBS 10 7 10.8 0 1
18 BBS 10 7 14.4 1 0
19 BBS 11 7 14.4 1 1
20 BBS 11 7 13.6 1 0
21 ABN 1 7 14.6 0 0
22 ABN 1 2 10.8 0 1
23 ABN 1 7 16.2 0 0
24 ABN 1 2 12.8 0 0
25 ABN 1 7 16 0 1
26 ABN 2 7 18.9 0 1
27 ABN 2 2 17.6 1 1
28 ABN 3 7 19.5 1 1
29 ABN 3 2 16.9 1 0
30 ABN 3 7 16.3 0 1
31 ABN 3 7 15.8 1 0
32 ABN 3 7 17.1 0 1
33 ABN 3 2 15.8 0 0
34 ABN 3 7 16 1 0
35 ABN 3 2 11.7 0 1
36 ABN 4 2 14.2 0 0
37 ABN 4 7 18.1 0 0
38 ABN 4 2 15.2 0 0
39 ABN 4 7 13.3 0 1
40 ABN 4 7 15.5 1 0
41 ABN 4 2 16.6 1 0
42 ABN 5 7 16.3 1 0
43 ABN 5 7 16.5 0 1
44 ABN 5 2 16.8 1 0
45 ABN 9 7 15.4 0 1
46 ABN 9 2 14.7 0 0
47 ABN 9 7 15.5 0 0
48 ABN 9 2 14.7 1 0
49 ABN 10 7 15.9 1 0
50 ABN 10 7 13.8 1 0
51 ABN 10 2 14.9 0 1
52 ABN 11 7 12.9 0 1
53 ABN 11 2 15.4 1 0
54 ABN 11 7 14.5 0 2
55 ABN 12 7 12.6 0 2
56 ABN 12 2 11.8 0 0
57 ABN 12 2 12.8 0 0
58 ABN 12 7 16.8 0 1
59 CBC 1 7 14 0 1
60 CBC 1 1 11.3 1 0
61 CBC 2 1 12.4 0 1
62 CBC 2 7 12.9 1 0
63 CBC 3 1 13.2 1 0
64 CBC 3 7 12.8 1 0
65 CBC 4 1 12.4 1 1
66 CBC 4 7 13.2 0 1
67 CBC 5 1 17.5 1 0
68 CBC 5 7 11.6 0 0
69 CBC 5 7 12.1 0 0
70 CBC 6 1 15.6 0 0
71 CBC 6 7 12.1 0 1
72 CBC 6 1 11.8 0 0
73 CBC 7 7 12.3 0 0
74 CBC 7 1 14.2 1 1
75 CBC 8 7 11.6 0 0
76 CBC 8 1 13.3 1 0
77 CBC 8 1 13.6 1 0
78 CBC 9 1 12.4 0 1
79 CBC 9 1 13.8 1 0
80 CBC 9 7 11.9 1 0
81 CBC 10 1 14.6 0 0
82 CBC 10 1 15.8 1 1
83 CBC 10 1 15.4 0 1
84 CBC 11 1 12.8 0 1
85 CBC 11 7 12.8 0 0
86 CBC 12 1 15.1 0 0
87 CBC 12 1 11.4 0 1
88 CBC 12 1 19.1 1 0

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