The number of cell phones per 100 residents in countries inEurope is given in table #9.3.9 for the year 2010.  Thenumber of cell phones per 100 residents in countries of theAmericas is given in table #9.3.10 also for the year 2010(\"Population reference bureau,\" 2013).  Find the 98%confidence interval for the different in mean number of cell phonesper 100 residents in Europe and the Americas.
Table #9.3.9: Number of CellPhones per 100 Residents in Europe
100 | 76 | 100 | 130 | 75 | 84 |
112 | 84 | 138 | 133 | 118 | 134 |
126 | 188 | 129 | 93 | 64 | 128 |
124 | 122 | 109 | 121 | 127 | 152 |
96 | 63 | 99 | 95 | 151 | 147 |
123 | 95 | 67 | 67 | 118 | 125 |
110 | 115 | 140 | 115 | 141 | 77 |
98 | 102 | 102 | 112 | 118 | 118 |
54 | 23 | 121 | 126 | 47 | |
Table #9.3.10: Number of CellPhones per 100 Residents in the Americas
158 | 117 | 106 | 159 | 53 | 50 |
78 | 66 | 88 | 92 | 42 | 3 |
150 | 72 | 86 | 113 | 50 | 58 |
70 | 109 | 37 | 32 | 85 | 101 |
75 | 69 | 55 | 115 | 95 | 73 |
86 | 157 | 100 | 119 | 81 | 113 |
87 | 105 | 96 | | | |
- ) State the random variable and the parameter inwords.
b.) If needed, state the null and alternative hypothesesand the level of significance and don't \"bump\" them into one line(refer to the textbook)
Ho :
HA :
a =
c.) State and check the assumptions for a hypothesistest
d.) Find the sample statistic, test statistic, andp-value, confidence interval
e.) Conclusion
Since the p-value……..fail to reject orreject  H o or confidence intervals...
f.) Interpretation ( statistical and realworld)