Gmail YouTube Maps MindTap - Cengage # 1 Reading list 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 Age (x) Years (y) 0 80.0 15 66.4 35 47.1 65 19.2 75 11.4 (a) Find the equation of the least-squares line for the data. (Round all numerical values to two decimal places.) y = (b) Use the equation from part (a) to estimate the remaining lifetime (in years) of a woman of age 23. (Round your answer to the nearest year.) 0 12:30