The average remaining lifetimes for women of various ages in a certain country are given in the following table. (A graphing calculator is recommended.)Average Remaining Lifetimes for Women*See chart below*(a)Find the equation of the least-squares line for the data. (Round all numerical values to two decimal places.)? = (b)Use the equation from part (a) to estimate the remaining lifetime of a woman of age 16. (Round your answer to the nearest year.) yr(c)Is the procedure in part (b) an example of interpolation or extrapolation?interpolationextrapolation