2.111 Energy and water consumption In parts a and

b, what shape do you expect for the distributions of electricity use and water use in a recent month in Gainesville, Florida?

Why? (Data supplied by N. T. Kamhoot, Gainesville Regional Utilities.)

a. Residential electricity used had mean = 780 and standard deviation = 506 kilowatt hours (Kwh). The minimum usage was 3 Kwh and the maximum was 9390 Kwh.

b. Water consumption had mean = 7100 and standard deviation = 6200 (gallons).