9.27. Table 9.13, which is the "UN data" file at the text Web site, shows United Nations data from 2005 for several nations on a human development index (HDI, which has components referring to life expectancy at birth, educational attainment, and income per capita), the fertility rate (births per woman), percentage of women using contraception, percentage using cell phones, percentage using the Internet, per capita gross domestic product (GDP, in dollars), carbon dioxide emissions per capita (metric tons), female life expectancy, female adult literacy rate, and female economic activity rate (number of women in labor force per 100 men in labor force). This exercise uses y = fertility rate and x = female economic activity. Table 9.14 shows part of a SPSS printout for a regression analysis.

(a) State a research question that could be addressed with this printout.

(b) Report the prediction equation, and interpret.

(c) Report r and r 2

, and interpret.

(d) What do your analyses suggest about the question posed in (a)?