roblem 6 Note that this question along with all other problems that don t have the symbol beside them should be done by hand Consider the following data Problem 6 a Problem 6 b Problem 6 c Problem 6 d Problem 6 e 42 68 57 64 40 43 49 63 53 47 a Draw a stem and leaf plot including depths using intervals of length 5 See the bottom of this example for an explanation of depths Enter the value of the depths only in the answer box below For example if your stem and leaf plot looked like the one at the bottom of this example then you would enter the following numbers into the answer box 8 36 20 44 21 5 1 b Calculate the mean c Calculate the sample variance d Calculate the range e Calculate the coefficient of variation XXXX depths separated with commas mean rounded to 2 decimals sample variance rounded to 2 decimals range coefficient of variation