Using the data from the Train.csv file (pic of sample attached), complete the activities below: - Step 1: Include PROC UNIVARIATE in your SAS script and calculates mean sales over the holiday per store/department for each month. - Step 2: Produce the standard deviation over the holiday per store/department for each month. - Step 3: Produce the min and max range over the holiday per store/department for each month. - Step 4: Use ODS interface and generate all the output in graphical format. Show transcribed data - Step 4: Use ODS interface and generate all the output in graphical format