Question
h. The mean time of listening to radio for all days of previous week is shown on the Excel file. Suppose you would like to
h. The mean time of listening to radio for all days of previous week is shown on the Excel file. Suppose you would like to determine if the mean time of listening to radio on Monday is significantly different than the mean time of listening to radio on Wednesday.
h.1. What is the point estimate of the difference between the means for the two populations?
h.2. Conduct the hypothesis test and state your conclusion at 10% level of significance.
h.3. What is the margin of error for a 90% confidence interval estimate for the difference between the population means?
Teenager | Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
1 | 65 | 40 | 32 | 48 | 60 | 75 | 110 |
2 | 90 | 85 | 75 | 90 | 78 | 120 | 100 |
3 | 30 | 30 | 20 | 25 | 30 | 60 | 70 |
4 | 72 | 52 | 66 | 100 | 77 | 66 | 94 |
5 | 70 | 88 | 47 | 73 | 78 | 67 | 78 |
6 | 90 | 51 | 103 | 41 | 57 | 69 | 87 |
7 | 43 | 72 | 66 | 39 | 57 | 90 | 73 |
8 | 88 | 89 | 82 | 95 | 68 | 105 | 125 |
9 | 96 | 60 | 80 | 106 | 57 | 81 | 80 |
10 | 60 | 92 | 72 | 45 | 72 | 77 | 90 |
11 | 75 | 79 | 79 | 78 | 91 | 60 | 112 |
12 | 74 | 46 | 72 | 46 | 74 | 55 | 84 |
13 | 49 | 92 | 64 | 69 | 62 | 87 | 81 |
14 | 76 | 98 | 96 | 77 | 61 | 84 | 82 |
15 | 66 | 64 | 57 | 55 | 29 | 72 | 60 |
16 | 30 | 53 | 85 | 53 | 103 | 111 | 55 |
17 | 53 | 90 | 47 | 111 | 102 | 76 | 91 |
18 | 76 | 68 | 78 | 74 | 63 | 68 | 99 |
19 | 59 | 51 | 94 | 103 | 94 | 85 | 83 |
20 | 40 | 30 | 45 | 40 | 46 | 60 | 64 |
21 | 82 | 99 | 71 | 76 | 104 | 73 | 81 |
22 | 83 | 60 | 81 | 74 | 89 | 75 | 49 |
23 | 102 | 53 | 43 | 72 | 73 | 96 | 108 |
24 | 78 | 88 | 75 | 78 | 82 | 102 | 109 |
25 | 131 | 72 | 15 | 79 | 80 | 61 | 112 |
26 | 62 | 72 | 98 | 68 | 45 | 117 | 61 |
27 | 62 | 55 | 72 | 76 | 79 | 71 | 89 |
28 | 78 | 75 | 67 | 124 | 78 | 85 | 93 |
29 | 66 | 68 | 73 | 65 | 89 | 73 | 64 |
30 | 78 | 106 | 106 | 58 | 96 | 96 | 105 |
31 | 83 | 71 | 68 | 44 | 88 | 85 | 83 |
32 | 73 | 82 | 63 | 90 | 73 | 69 | 53 |
33 | 69 | 88 | 70 | 80 | 42 | 56 | 79 |
34 | 42 | 76 | 89 | 56 | 80 | 58 | 87 |
35 | 35 | 30 | 28 | 26 | 29 | 40 | 60 |
36 | 53 | 71 | 57 | 98 | 73 | 82 | 60 |
37 | 96 | 63 | 79 | 108 | 77 | 65 | 48 |
38 | 49 | 56 | 94 | 59 | 69 | 82 | 49 |
39 | 71 | 67 | 57 | 79 | 65 | 43 | 40 |
40 | 0 | 0 | 0 | 0 | 0 | 0 | 10 |
41 | 73 | 82 | 87 | 79 | 97 | 64 | 94 |
42 | 64 | 102 | 62 | 46 | 56 | 120 | 116 |
43 | 48 | 84 | 68 | 69 | 63 | 89 | 102 |
44 | 49 | 83 | 76 | 95 | 42 | 53 | 87 |
45 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
46 | 52 | 37 | 71 | 48 | 79 | 71 | 79 |
47 | 113 | 100 | 43 | 43 | 54 | 90 | 68 |
48 | 48 | 68 | 34 | 111 | 105 | 55 | 98 |
49 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
50 | 33 | 80 | 72 | 88 | 59 | 34 | 107 |
51 | 85 | 65 | 110 | 39 | 83 | 101 | 77 |
52 | 40 | 64 | 29 | 76 | 74 | 77 | 58 |
53 | 115 | 88 | 106 | 87 | 70 | 39 | 86 |
54 | 58 | 84 | 136 | 73 | 83 | 95 | 70 |
55 | 59 | 53 | 60 | 57 | 65 | 52 | 80 |
56 | 86 | 106 | 66 | 25 | 90 | 68 | 78 |
57 | 66 | 49 | 45 | 72 | 84 | 85 | 68 |
58 | 49 | 53 | 87 | 93 | 68 | 41 | 62 |
59 | 30 | 78 | 57 | 38 | 74 | 78 | 81 |
60 | 82 | 69 | 48 | 37 | 96 | 92 | 97 |
61 | 70 | 99 | 26 | 83 | 84 | 86 | 67 |
62 | 39 | 76 | 113 | 21 | 72 | 82 | 117 |
63 | 58 | 109 | 73 | 68 | 72 | 48 | 84 |
64 | 69 | 47 | 110 | 76 | 92 | 84 | 94 |
65 | 43 | 100 | 70 | 64 | 61 | 63 | 94 |
66 | 42 | 82 | 53 | 55 | 62 | 41 | 106 |
67 | 79 | 67 | 54 | 83 | 59 | 125 | 90 |
68 | 68 | 68 | 62 | 53 | 94 | 56 | 84 |
69 | 43 | 96 | 70 | 74 | 64 | 71 | 84 |
70 | 60 | 53 | 58 | 94 | 67 | 79 | 116 |
71 | 31 | 55 | 59 | 59 | 93 | 93 | 99 |
72 | 42 | 114 | 90 | 76 | 83 | 74 | 101 |
73 | 63 | 88 | 74 | 98 | 46 | 112 | 80 |
74 | 61 | 64 | 51 | 106 | 43 | 72 | 101 |
75 | 48 | 61 | 94 | 67 | 46 | 91 | 87 |
76 | 80 | 87 | 80 | 21 | 112 | 94 | 104 |
77 | 65 | 87 | 67 | 107 | 71 | 61 | 87 |
78 | 76 | 115 | 54 | 70 | 104 | 78 | 76 |
79 | 101 | 48 | 73 | 75 | 95 | 51 | 98 |
80 | 79 | 107 | 31 | 83 | 74 | 77 | 74 |
81 | 70 | 57 | 95 | 60 | 68 | 83 | 87 |
82 | 71 | 72 | 62 | 70 | 44 | 71 | 89 |
83 | 80 | 62 | 92 | 67 | 89 | 46 | 100 |
84 | 57 | 78 | 77 | 93 | 54 | 87 | 82 |
85 | 86 | 56 | 48 | 53 | 84 | 73 | 63 |
86 | 87 | 50 | 64 | 35 | 52 | 65 | 69 |
87 | 59 | 74 | 77 | 71 | 54 | 111 | 70 |
88 | 53 | 88 | 41 | 72 | 96 | 50 | 62 |
89 | 63 | 88 | 71 | 103 | 30 | 54 | 75 |
90 | 62 | 65 | 102 | 74 | 49 | 63 | 88 |
91 | 101 | 67 | 55 | 72 | 70 | 132 | 78 |
92 | 67 | 81 | 89 | 41 | 89 | 63 | 97 |
93 | 64 | 97 | 73 | 56 | 111 | 71 | 97 |
94 | 71 | 37 | 64 | 70 | 59 | 71 | 84 |
95 | 108 | 93 | 18 | 92 | 46 | 53 | 87 |
96 | 77 | 52 | 68 | 84 | 79 | 80 | 82 |
97 | 77 | 43 | 110 | 84 | 85 | 52 | 131 |
98 | 84 | 53 | 64 | 77 | 85 | 74 | 64 |
99 | 89 | 14 | 93 | 59 | 74 | 69 | 84 |
100 | 47 | 84 | 45 | 36 | 39 | 45 | 57 |
101 | 81 | 63 | 55 | 65 | 77 | 66 | 26 |
102 | 57 | 96 | 57 | 62 | 96 | 82 | 84 |
103 | 79 | 79 | 61 | 41 | 83 | 85 | 74 |
104 | 101 | 51 | 90 | 58 | 93 | 75 | 109 |
105 | 55 | 50 | 87 | 78 | 65 | 59 | 117 |
106 | 55 | 67 | 50 | 58 | 69 | 54 | 82 |
107 | 56 | 60 | 95 | 40 | 37 | 61 | 90 |
108 | 33 | 22 | 90 | 54 | 73 | 70 | 90 |
109 | 63 | 42 | 89 | 84 | 84 | 104 | 116 |
110 | 70 | 82 | 62 | 65 | 118 | 86 | 106 |
111 | 89 | 97 | 77 | 54 | 57 | 108 | 74 |
112 | 77 | 73 | 64 | 92 | 93 | 58 | 111 |
113 | 115 | 67 | 65 | 34 | 71 | 39 | 84 |
114 | 101 | 93 | 69 | 74 | 69 | 68 | 30 |
115 | 75 | 47 | 64 | 75 | 77 | 93 | 113 |
116 | 67 | 69 | 53 | 91 | 38 | 66 | 70 |
117 | 76 | 61 | 84 | 68 | 71 | 88 | 78 |
118 | 60 | 84 | 83 | 50 | 80 | 48 | 106 |
119 | 67 | 87 | 63 | 53 | 78 | 94 | 104 |
120 | 74 | 90 | 67 | 53 | 85 | 78 | 98 |
121 | 61 | 41 | 64 | 71 | 60 | 85 | 52 |
122 | 69 | 62 | 95 | 69 | 47 | 70 | 74 |
123 | 64 | 77 | 118 | 82 | 95 | 49 | 102 |
124 | 58 | 78 | 70 | 52 | 53 | 69 | 38 |
125 | 74 | 52 | 119 | 20 | 47 | 109 | 90 |
126 | 75 | 63 | 71 | 94 | 70 | 105 | 102 |
127 | 60 | 75 | 83 | 36 | 71 | 67 | 72 |
128 | 54 | 28 | 50 | 55 | 112 | 54 | 78 |
129 | 84 | 44 | 54 | 42 | 65 | 114 | 99 |
130 | 74 | 76 | 56 | 49 | 28 | 80 | 75 |
131 | 99 | 43 | 93 | 110 | 52 | 61 | 46 |
132 | 76 | 70 | 46 | 84 | 59 | 68 | 72 |
133 | 41 | 64 | 110 | 78 | 39 | 75 | 64 |
134 | 52 | 106 | 77 | 69 | 70 | 98 | 58 |
135 | 83 | 81 | 97 | 66 | 73 | 91 | 80 |
136 | 61 | 66 | 58 | 85 | 49 | 68 | 71 |
137 | 51 | 48 | 63 | 58 | 73 | 137 | 73 |
138 | 83 | 84 | 99 | 119 | 112 | 100 | 75 |
139 | 59 | 99 | 36 | 54 | 99 | 60 | 101 |
140 | 82 | 40 | 77 | 70 | 110 | 79 | 72 |
141 | 81 | 79 | 80 | 80 | 80 | 77 | 89 |
142 | 49 | 120 | 69 | 91 | 95 | 58 | 82 |
143 | 70 | 84 | 119 | 37 | 46 | 78 | 68 |
144 | 37 | 72 | 82 | 37 | 86 | 80 | 71 |
145 | 122 | 88 | 55 | 107 | 59 | 93 | 79 |
146 | 44 | 84 | 78 | 62 | 68 | 106 | 63 |
147 | 88 | 114 | 90 | 67 | 85 | 48 | 98 |
148 | 68 | 65 | 83 | 63 | 61 | 71 | 117 |
149 | 87 | 21 | 69 | 68 | 56 | 72 | 69 |
150 | 108 | 65 | 82 | 61 | 70 | 97 | 92 |
151 | 60 | 111 | 57 | 32 | 84 | 103 | 104 |
152 | 52 | 24 | 48 | 38 | 36 | 94 | 111 |
153 | 103 | 85 | 85 | 52 | 50 | 97 | 106 |
154 | 29 | 81 | 104 | 74 | 89 | 60 | 65 |
155 | 76 | 101 | 106 | 79 | 53 | 48 | 112 |
156 | 39 | 65 | 51 | 110 | 81 | 80 | 92 |
157 | 63 | 79 | 81 | 77 | 77 | 74 | 70 |
158 | 87 | 109 | 66 | 46 | 90 | 78 | 44 |
159 | 83 | 78 | 55 | 97 | 75 | 80 | 80 |
160 | 107 | 79 | 55 | 72 | 83 | 99 | 65 |
161 | 62 | 92 | 54 | 66 | 82 | 107 | 119 |
162 | 84 | 57 | 83 | 79 | 85 | 57 | 74 |
163 | 63 | 64 | 63 | 110 | 78 | 58 | 100 |
164 | 119 | 63 | 82 | 73 | 108 | 98 | 81 |
165 | 115 | 88 | 79 | 62 | 32 | 80 | 85 |
166 | 69 | 78 | 88 | 36 | 62 | 74 | 99 |
167 | 47 | 71 | 82 | 100 | 72 | 58 | 69 |
168 | 81 | 54 | 59 | 52 | 75 | 67 | 79 |
169 | 60 | 100 | 25 | 35 | 97 | 92 | 99 |
170 | 82 | 91 | 47 | 90 | 121 | 89 | 54 |
171 | 73 | 53 | 48 | 64 | 35 | 40 | 63 |
172 | 84 | 62 | 107 | 68 | 11 | 85 | 77 |
173 | 76 | 63 | 55 | 82 | 70 | 70 | 120 |
174 | 98 | 31 | 77 | 69 | 46 | 60 | 59 |
175 | 92 | 59 | 79 | 49 | 73 | 96 | 106 |
176 | 75 | 87 | 58 | 46 | 82 | 101 | 110 |
177 | 75 | 78 | 64 | 105 | 87 | 54 | 104 |
178 | 67 | 68 | 102 | 118 | 91 | 66 | 65 |
179 | 49 | 46 | 96 | 102 | 36 | 60 | 75 |
180 | 80 | 38 | 52 | 48 | 64 | 94 | 56 |
181 | 64 | 64 | 68 | 73 | 31 | 110 | 61 |
182 | 56 | 68 | 75 | 47 | 89 | 95 | 72 |
183 | 110 | 96 | 71 | 40 | 64 | 68 | 58 |
184 | 111 | 89 | 80 | 53 | 79 | 32 | 58 |
185 | 40 | 50 | 84 | 66 | 93 | 85 | 94 |
186 | 66 | 77 | 99 | 106 | 77 | 83 | 86 |
187 | 86 | 60 | 73 | 72 | 54 | 84 | 87 |
188 | 51 | 60 | 81 | 63 | 94 | 79 | 130 |
189 | 50 | 35 | 58 | 75 | 85 | 47 | 66 |
190 | 85 | 66 | 89 | 71 | 71 | 63 | 75 |
191 | 63 | 90 | 62 | 82 | 81 | 82 | 61 |
192 | 89 | 84 | 64 | 33 | 59 | 106 | 86 |
193 | 78 | 63 | 76 | 70 | 82 | 95 | 92 |
194 | 68 | 68 | 98 | 81 | 44 | 63 | 53 |
195 | 76 | 61 | 52 | 91 | 94 | 72 | 89 |
196 | 75 | 58 | 84 | 40 | 84 | 111 | 69 |
197 | 90 | 67 | 78 | 81 | 49 | 72 | 84 |
198 | 67 | 25 | 37 | 79 | 85 | 102 | 31 |
199 | 60 | 48 | 77 | 74 | 26 | 53 | 83 |
200 | 80 | 95 | 90 | 80 | 80 | 120 | 120 |
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