For each of the data sets in parts a–c, compute x, s2, and s.

If appropriate, specify the units in which your answers are expressed.

a. 4, 6, 6, 5, 6, 7

b. - $1, $4, - $3, $0, - $3, - $6

c. 3/5%, 4/5%, 2/5%, 1/5%, 1/16%

d. Calculate the range of each data set in parts a–c.