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

Run DISPERSION program with the data set 2, 4, 6, 9, 12, 15. a. Modify the data by adding +5 to each value. Record the results.

b. Run MODIFICATION and enter the data set 7, 9, 11, 14, 17, 20. Modify the data by adding –5 to each value. Record the results.

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

d. Show how to obtain the standard deviation of the initial data set from the standard deviation of the modi fied data set.

e. Show how to obtain the range of the initial data set values from the range of the modi fi ed data set values.