You might need: Calculator Nkechi took a random sample of 10 countries to study fertility rate (babies per woman) and life expectancy (in
years). She noticed a strong negative linear relationship between those variables in the sample data. Here is
computer output from a least-squares regression analysis for using fertility rate to predict life expectancy:
Predictor
Coef
SE Coef
T
P
Constant
89.70
1.63
54.87
0.00
Fertility
-5.97
0.59
-10.18 0.00
S = 1.91
R-sq = 92.8%
Use this model to predict the life expectancy of a country whose fertility rate is 2 babies per woman.
You may round your answer to the nearest whole number of years.
years
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