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Question 27 (5 points) Sarena keeps track of the amount she spends, in dollars, on weekly lunches during one semester: 18 24 27 25 28 36 23 31 24 30 37 29 30 18 28 27 17 27 a) Determine the range, mean, and standard deviation, correct to two decimal places. b) Remove the greatest and the least weekly amounts. Then determine the range, mean, and standard deviation for the remaining amounts. c) What effect does removing the greatest and the least amounts have on the three values?Question 26 (3 points) Alistair has 35 minutes to get to his after-school job. Despite his best efforts, he is frequently late. His employer says that unless he arrives to work on time consistently, he will lose his job. He has recorded his travel times (in minutes) for the last two weeks: 29, 40, 38, 33, 35, 39, 37, 31, 43, 34. Over the next two weeks, he continues to record his travel times: 36, 31, 38, 38, 33, 39, 36, 34, 36, 33. Do you think Alistair will lose his job? Use statistics to justify your