Consider the following sample of five measurements: 2, 1, 1, 0, 3.
a. Calculate the range, s2, 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 by adding the same number to or subtracting the same number from each measurement?