6. The board members of a provincial organization receive a car allowance for travel to meetings. Here are the distances the board logged last year (in kilometres). 44 18 125 80 63 42 35 68 52 75 260 96 110 72 51 a) Determine the mean, standard deviation, and variance for these data. b) Determine the median, interquartile range, and semi-interquartile range. c) Illustrate these data using a box-and- whisker plot. d) Identify any outliers