Consider the following sample of five measurements: 2, 1, 1, 0, 3. a. calculate the range, s 2 , and s. b. add 3 to each measurement and repeat part a. c. subtract 4 from each measurement and repeat part  a. d. considering your answers to parts a, b, and c, what seems to be the effect on the variability of a data set of adding the same number to or subtracting the same number from each measurement?