Data from the World Health Organization in 2013 were used to predict the life expectancy for men in a country from the life expectancy of women in the country.The resulting regression equation was Ŷ = 3.73 + 0.88(X).Using the regression equation, what would be the predicted life expectancy of men in a country in which the life expectancy for women is 70 years?
A) 57.87 years
B) 60.93 years
C) 65.33 years
D) 69.61 years

Question

Quizplus · Accepted Answer

Substitute 70 for X in the regression equation:
Ŷ = 3.73 + 0.88(70)
Ŷ = 3.73 + 61.6 
Ŷ = 65.33
Therefore, the predicted life expectancy for men in this country would be 65.33 years.

Data from the World Health Organization in 2013 Were Used