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ence interval for the difference. Number of Cell Phones in countries in Europe (in cell phones per 100 residents) ones in countries of the hones per 100 residents) 78 75 121 112 123 81 159 109 125 105 112 87 115 95 138 147 106 47 150 64 72 113 118 86 63 70 151 85 88 122 118 100 75 53 17 99 110 113 121 115 96 101 126 86 109 66 76 84 158 117 129 95 73 100 130 23 77 55 67 50 102 30 58 69 119 95 84 152 102 140

ence interval for the difference. Number of Cell Phones in countries in Europe (in cell phones per 100 residents) ones in countries of the hones per 100 residents) 78 75 121 112 123 81 159 109 125 105 112 87 115 95 138 147 106 47 150 64 72 113 118 86 63 70 151 85 88 122 118 100 75 53 17 99 110 113 121 115 96 101 126 86 109 66 76 84 158 117 129 95 73 100 130 23 77 55 67 50 102 30 58 69 119 95 84 152 102 140

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The number of cell phones per 100 residents in randomly selected countries of the Americas is given in the table below for a particular year, The number of cell phones per 100 residents in randomly selected countries in Europe is also given in the table below for the same year, Is there enough evidence to show that the mean number of cell phones in countries in the Americas is less than in countries in Europe? a) Test at the 3% level. bị Compute a 94, confidence interval for the difference. Number of Cell Phones in countries in Europe (in cell phones per 100 residents) Number of Cell Phones in countries of the Americas (in cell phones per 100 residents) 75 121 78 81 112 123 159 125 112 95 109 105 87 115 138 42 147 106 47 150 64 72 96 113 118 86 63 70 151 85 122 88 118 75 100 53 99 37 110 113 121 96 115 126 109 101 86 66 76 158 84 117 129 95 130 73 23 100 77 67 50 102 50 58 -95 84 69 119 152 102 140 141 Part A. HYPOTHESIS TEST P Parameter What is the correct parameter symbol and wording for population 1 the mean humber of cel phones per 100 residents of all countries of the Amencas What is the correct parameter symbol and wording for population 22 the mean number of cel phones per 100 reidents of al counties in Europe H Hypotheses
Transcribed Image Text:The number of cell phones per 100 residents in randomly selected countries of the Americas is given in the table below for a particular year, The number of cell phones per 100 residents in randomly selected countries in Europe is also given in the table below for the same year, Is there enough evidence to show that the mean number of cell phones in countries in the Americas is less than in countries in Europe? a) Test at the 3% level. bị Compute a 94, confidence interval for the difference. Number of Cell Phones in countries in Europe (in cell phones per 100 residents) Number of Cell Phones in countries of the Americas (in cell phones per 100 residents) 75 121 78 81 112 123 159 125 112 95 109 105 87 115 138 42 147 106 47 150 64 72 96 113 118 86 63 70 151 85 122 88 118 75 100 53 99 37 110 113 121 96 115 126 109 101 86 66 76 158 84 117 129 95 130 73 23 100 77 67 50 102 50 58 -95 84 69 119 152 102 140 141 Part A. HYPOTHESIS TEST P Parameter What is the correct parameter symbol and wording for population 1 the mean humber of cel phones per 100 residents of all countries of the Amencas What is the correct parameter symbol and wording for population 22 the mean number of cel phones per 100 reidents of al counties in Europe H Hypotheses
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