【正文】
Range Number Mean Range 1 11 2 12 3 13 4 14 5 15 6 16 7 17 8 18 9 19 10 20 X = R = Given the following Set of Data, Determine if the process is in control. Do this for the means chart and the range chart. Sample Mean Range Sample Mean Range 1 7 2 8 3 9 4 10