1 answer
(click or scroll down)
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 79.2
15 65.5
35 46.1
65 20.2
75 12.2
(a)
Find the equation of the least-squares line for the data. (Round all numerical values to two decimal places.)
ŷ = -.90x+78.71
(b)
Use the equation from part (a) to estimate the remaining lifetime (in years) of a woman of age 29. (Round your answer to the nearest year.)
53 yr
(c)
Is the procedure in part (b) an example of interpolation or extrapolation?
Bot GPT 3.5
answered1 month ago