Refer to the following list of numbers of years that U.S. presidents, popes, and British monarchs lived after their inauguration, election, or coronation, respectively. (As of this writing the last president is Gerald Ford, the last pope is John Paul II, and the last British monarch is George VI.) Assume that the data are samples randomly selected from larger populations. Descriptive Statistics? Include appropriate units in all answers. a.? Find the mean for each of the three groups. b.? Find the standard deviation for each of the three groups. c.? Find the variance for each of the three groups. d.? What is the level of measurement of the data (nominal, ordinal, interval, ratio)?

Solution1CRE Step 1: From the given information the list of numbers of years that U.S presidents,popes and British monarchs lived after their inauguration,election. Given table is as follows S.no Presidents Popes Monarchs 1 10 2 17 2 29 9 6 3 26 21 13 4 28 3 12 5 15 6 13 6 23 10 33 7 17 18 59 8 25 11 10 9 0 6 7 10 20 25 63 11 4 23 9 12 1 6 25 13 24 2 36 14 16 15 15 15 12 32 16 4 25 17 10 11 18 17 8 19 16 17 20 0 19 21 7 5 22 24 15 23 12 0 24 4 26 25 18 26 21 27 11 28 2 29 9 30 36 31 12 32 28 33 3 34 16 35 9 36 25 37 23 38 32