Consider a sample with data values: 10, 20, 12, 17, 16, 12. a). (5 points) What is the mode of the date? b). (5 points) Find minimum, Q1 (lower quartile), Q2 (median), Q3(upper quartile) and maximum. c). (10 points) Compute the mean, variance and standard deviation. d). (10 points) Compute IQR (Interquartile Range), lower fence and upper fence. e). (10 points) Plot a boxplot for this sample.