12. Ma's supervisor requested she evaluate the following glucose control data set. The laboratory is very busy, and Ma enlists your assistance performing the task below. Day Low High 1 86 215 2 82 212 3 83 218 4 87 214 5 85 220 6 81 217 7 88 223 A. Calculate the mean and standard deviation for the above data set. B. On the next page, there is one graphs. Please plot only the high control values/data by day (one graph for each level, x-axis = day, y-axis = concentration). Indicate the mean and the upper and lower control limits (mean 2 standard deviations) with horizontal lines. I know that 2sd and 3sd are listed already, but please also include the /- 1SD range as well