Demographics: Birthrate and Death Rate In the following data pairs, A represents birthrate and B represents death rate per 1000 resident population. The data are paired by counties in the Midwest. A random sample of 16 counties gave the following information

(Reference: County and City Data Book, U.S.

Department of Commerce).

A: 12.7 13.4 12.8 12.1 11.6 11.1 14.2 15.1 B: 9.8 14.5 10.7 14.2 13.0 12.9 10.9 10.0 A: 12.5 12.3 13.1 15.8 10.3 12.7 11.1 15.7 B: 14.1 13.6 9.1 10.2 17.9 11.8 7.0 9.2.

Do the data indicate a difference (either way) between population average birthrate and death rate in this region? Use a 5 0.01.AppendixLO1