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(89 points) The times (in seconds) between sixteen consecutive eruptions of a geyser were as follows: 914, 900, 883, 919, 940, 949, 933, 880, 918, 928, 855, 899, 926, 883, 907 By entering the data into R, find the following (giving answers to two decimal places): Part a) The sample mean is (sec). Part b) The sample variance is (sec2). Part c) The sample median is (sec). Part d) The sample IQR is (sec). Part e) Which of the following is a boxplot of the data? ? v 940 920 Times between eruptions (in sec) 920 Times between eruptions (in sec) 900 900 880 880 860 860 840 A BTimes between eruptions (in sec) 860 Times between eruptions (in sec) 880 900 920 860 880 900 920 940 C A Times between eruptions (in sec) 860 Times between eruptions (in sec) 880 900 920 940 840 860 880 900 920 D B(89 points) Calculate the mean and median of the following grades on a math test: 91, 75, 74, 72, 71, 70, 68, 63, 61, 44, 31 Mean = Median = Is this data set skewed to the right, symmetric, or skewed to the left? (Enter SR, SYM, or SL)