Mathematics, 28.04.2021 22:50, carbpotatoes

The number of cell phones per 100 residents in countries in Europe is given in table #9.3.9 for the year 2010. The number of cell phones per 100 residents in countries of the Americas 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 phones per 100 residents in Europe and the Americas.

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The number of cell phones per 100 residents in countries in Europe is given in table #9.3.9 for the...