The following equation resulted from regressing the percent of births to mothers less than 20 years of age on the percent of persons below the poverty level for the 50 states and the District of Columbia:

Y = 2.829 + 0.800 X

a. Interpret the regression coefficient. (4 points)

b. Interpret the constant term. (3 points)

c. If the value of the independent variable was 20 percent, what would be the percent of births to mothers less than 20 years old? (4 points)

d. If the value of the independent variable was 30 percent, what would be the percent of births to mothers less than 20 years old? (4 points)