1. The following table gives projections for 2062 of the percent of energy that will be renewable in the top five world regions.
(a) Find the mean and standard deviation of the data.
(b) Does the standard deviation indicate that the percent of energy that is renewable will be widely distributed in these regions?
Region % Renewable
Latin America……………………………87
Africa…………………………………….81
Europe……………………………………55
Middle East………………………………49
United States…………………………….45
2. Four states had recent ballot measures about imposing limits on damage awards or attorneys’ fees in medical malpractice cases. Find the mean and the standard deviation of the numbers of voters per state in favor of this measure, using the data in the table.
State Number in Favor
Florida…………………………4,435,179
Nevada…………………………..465,321
Oregon…………………………..744,267
Wyoming…………………………15,628
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