5. (20pts) Consider the following data and answer the questions using R. Make sure your answer includes both R command and the final answer/diagram. 55 61 94 94 69 77 68 54 85 77 92 92 81 73 69 81 75 84 70 81 81 89 59 72 82 62 a) (3pts) Draw a histogram. b) (3pts) Find the sample mean and sample variance. c) (4pts) Find the median, Q1, and Q3. d) (3pts) Find the 65th percentile. e) (4pts) Find the interquartile range. f) (3pts) Draw a boxplot.