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The number of cell phones per 100 residents in countries in Europe
Problem 7.The number of cell phones per 100 residents in countries in Europe and in countries of the Americas forthe year 2010 is given in the tables below.(a) Find the 98% confidence interval for the difference in mean number of cell phones per 100residents in Europe and the Americas. Be sure to check the assumptions before using theappropriate methodology.(b) Give an interpretation of your finding.Table A: Number of Cell Phones per 100 Residents in Europe1007610013075841128413813311813412618812993641281241221091211271529663991511471239567671181251101151401151417786102102112118118542312112647Table B: Number of Cell Phones per 100 Residents in the Americas1581171061595350786638924231507236113505870109373285101756955115957386157100119811138710596
