During its first five years of operation, a companys gross income from sales was 1.4, 2.1, 2.6,

Question:

During its first five years of operation, a company’s gross income from sales was 1.4, 2.1, 2.6, 3.5, and 3.7 million dollars. Use the coding of Exercise 14.15 to fit a least squares line and, assuming that the same linear trend continues, predict the company’s gross income from sales during its sixth year of operation.