1. The following numbers represent the time (in minutes) that it takes a sample/group of non-...

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1. The following numbers represent the time (in minutes) that it takes a sample/group of non- smoker people to fall asleep. (16 marks) 27.4 25.9 26.2 34.7 29.6 28.2 40.3 30 30.6 31.6 47.1 19.8 35.8 37.4 12.9 a) Provide a frequency histogram (report-quality) of these data along with a table that summarizes the grouped data. b) Compute the 80th percentile of the sample. What does it mean? c) Calculate the mean, standard deviation, and coefficient of variation of the data set. 1. The following numbers represent the time (in minutes) that it takes a sample/group of non- smoker people to fall asleep. (16 marks) 27.4 25.9 26.2 34.7 29.6 28.2 40.3 30 30.6 31.6 47.1 19.8 35.8 37.4 12.9 a) Provide a frequency histogram (report-quality) of these data along with a table that summarizes the grouped data. b) Compute the 80th percentile of the sample. What does it mean? c) Calculate the mean, standard deviation, and coefficient of variation of the data set.