Question: First Elementary school is trying to forecast the need for kindergarten teachers for the next 2 years. The school has data on births and enrollments for the past 10 years. The enrollments lag the births by 5 years.

a) Forecast the kindergarten enrollments for the next 2 years using births as the independent variable, given the following data from the past 10 years.

b) What is the correlation coefficient? Do you consider it to be significant?

c) Explain the value of r-squared as it pertains to this model.