Run MEAN-MEDIAN and enter the data set: 2, 4, 6, 9, 12, 15. a. Modify the data by adding +5 to each value. Record the results. b. Run MEAN-MEDIAN with the data set: 7, 9, 11, 14, 17, 20. Modify the...

Run MEAN-MEDIAN and enter the data set: 2, 4, 6, 9, 12, 15.

a. Modify the data by adding +5 to each value. Record the results.

b. Run MEAN-MEDIAN with the data set: 7, 9, 11, 14, 17, 20. Modify the data by subtracting –5 from each data value. Record the results.

c. Show how to obtain the mean of the initial data set from the mean of the modi fi ed data set.

d. Show how to obtain the median of the initial data set from the median of the modi fi ed data set.