The following table gives the average price of a pound of spaghetti and macaroni in January of

Question:

The following table gives the average price of a pound of spaghetti and macaroni in January of the given years.
Year Price
2000.......................................$0.88
2004.......................................$0.92
2008.......................................$1.02
2011.......................................$1.21
2015.......................................$1.26
(a) Obtain the least-squares line that fits these data. (Let x = 0 correspond to 2000.)
(b) Estimate the average price of a pound of spaghetti and macaroni in January 2013.
(c) If this trend continues, when will the average price of a pound of spaghetti and macaroni be $1.45?