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The number of cell phones per 100 residents in countries in Europe is given in the first table. The number of cell phones per 100 residents in countries of the Americas is given in the second table. Find the 90% confidence interval for the difference in mean number of cell phones per 100 residents in Europe and the Americas. We assume the variances are not equal. Round to the nearest whole number. Number of Cell Phones per 100 Residents in Europe 70 122 142 ▬▬▬▬ |- |- 97 71 85 171 1. 46 112 110 114 67 169 69 138 112 86 PHARGIE 77 85 79 91 91 95 104 164 79 57 126 25 163 147 128 121 18 5645 80 118 117 86 125 112 85 |||||S|S|~ 287825 pela 69 126 82 60 185 76 108 108 77 68 82 Number of Cell Phones per 100 Residents in the Americas 98 152 115 125 31 81 24 97 64 73 90 82 131 118 95 69 93 111 45 88 92 121 113 94 63 100 73 138 133 108 28BE48S ▬▬ 78 128 147 118 80 50 135 With 90 phones per 100 residents in Europe and the Americas is between O % confidence, it can be said that the difference in mean number of cell and

The number of cell phones per 100 residents in countries in Europe is given in the first table. The number of cell phones per 100 residents in countries of the Americas is given in the second table. Find the 90% confidence interval for the difference in mean number of cell phones per 100 residents in Europe and the Americas. We assume the variances are not equal. Round to the nearest whole number. Number of Cell Phones per 100 Residents in Europe 70 122 142 ▬▬▬▬ |- |- 97 71 85 171 1. 46 112 110 114 67 169 69 138 112 86 PHARGIE 77 85 79 91 91 95 104 164 79 57 126 25 163 147 128 121 18 5645 80 118 117 86 125 112 85 |||||S|S|~ 287825 pela 69 126 82 60 185 76 108 108 77 68 82 Number of Cell Phones per 100 Residents in the Americas 98 152 115 125 31 81 24 97 64 73 90 82 131 118 95 69 93 111 45 88 92 121 113 94 63 100 73 138 133 108 28BE48S ▬▬ 78 128 147 118 80 50 135 With 90 phones per 100 residents in Europe and the Americas is between O % confidence, it can be said that the difference in mean number of cell and

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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The number of cell phones per 100 residents in countries in Europe is given in the first table. The number of cell phones per 100 residents in countries of the Americas is given in the second table. Find the 90% confidence interval for the difference in mean number of cell phones per 100 residents in Europe and the Americas. We assume the variances are not equal. Round to the nearest whole number. Number of Cell Phones per 100 Residents in Europe 97 71 25 163 147 128 88 185 133 84 108 108 78 77 128 147 68 118 80 25 50 135 70 122 85 79 80 118 142 171 57 126 114 46 91 69 67 86 79 126 169 104 164 82 69 138 112 60 125 112 5887 117 Number of Cell Phones per 100 Residents in the Americas 152 115 125 31 81 24 64 121 73 90 131 95 55 69 93 111 45 85 85 88 92 121 113 91 94 63 100 73 138 95 98 97 118 77 112 110 With 90 76 108 O % confidence, it can be said that the difference in mean number of cell phones per 100 residents in Europe and the Americas is between and
Transcribed Image Text:The number of cell phones per 100 residents in countries in Europe is given in the first table. The number of cell phones per 100 residents in countries of the Americas is given in the second table. Find the 90% confidence interval for the difference in mean number of cell phones per 100 residents in Europe and the Americas. We assume the variances are not equal. Round to the nearest whole number. Number of Cell Phones per 100 Residents in Europe 97 71 25 163 147 128 88 185 133 84 108 108 78 77 128 147 68 118 80 25 50 135 70 122 85 79 80 118 142 171 57 126 114 46 91 69 67 86 79 126 169 104 164 82 69 138 112 60 125 112 5887 117 Number of Cell Phones per 100 Residents in the Americas 152 115 125 31 81 24 64 121 73 90 131 95 55 69 93 111 45 85 85 88 92 121 113 91 94 63 100 73 138 95 98 97 118 77 112 110 With 90 76 108 O % confidence, it can be said that the difference in mean number of cell phones per 100 residents in Europe and the Americas is between and
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