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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
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. Is there enough evidence to show that the mean number of cell phones in countries of Europe is more that than in countries of the Americas? Test at the 5% level. Assume the population variances are equal. Number of Cell Phones per 100 Residents in Europe 175 34 93 149 139 97 152 129 82 166 115 128 70 118 105 79 78 175 125 128 131 127 76 126 113 119 88 128 115 120 115 132 103 142 107 151 119 115 179 75 104 94 92 145 176 91 71 84 97 71 141 53 130 Number of Cell Phones per 100 Residents in the Americas 90 107 66 77 80 74 156 111 75 131 61 96 95 125 55 74 28 142 140 151 173 53 106 85 125 107 60 40 149 65 96 144 122 177 130 119 71 82 116State the null and alternative hypotheses. Ho: 1 1 ? ~ 12 Ha: M1 ? ~ 12 Calculate the test statistics. Round to two decimal places. X 1 = * 2 = Calculate the standardized test statistic. Round three decimal places. t Find the p-value. Round to four decimal places. p-value = State your decision. Since the p-value is Select an answer v | than .05, Select an answer v Ho. Interpret the results. At the 5% level of significance, there | Select an answer v ] enough evidence to show that the mean number of cell phones in countries of Europe is | Select an answer ] that in countries of the Americas
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