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The coin size data (measured in millimeters) collected from each group is shown below. Low Income High Income 20 24 18 12 32 24 24 19 29 20 26 23 29 22 15 23 22 19 28 16 25 18 22 18 27 17 24 21 20 21 24 22 27 24 25 21 20 24 28 11 23 20 25 20 19 15 20 17 13 19 19 19 21 17 21 19 14 17 18 14 21 16 19 24 17 17 23 15 27 18 31 24 26 24 20 (a) The mean for the low income group is: C] (b) The median for the low income group is: C] (c) The standard deviation for the low income group is: C] (d) The mean for the high income group is: C] (e) The median for the high income group is: :] (f) The standard deviation for the high income group is: C]