Which of the following are feasible equations of a least squares regression line for number of dollars left in a retirement annuity account, that pays no interest and fixed annual withdrawals, in each of its first ten years if it was entirely funded by a single deposit? a. y ˆ =269,000+8300x.
b. y ˆ =69,000−8300x.
c. y ˆ =−269,000−8300x.
d. y ˆ =269,000−8300x.
e. y ˆ =0−8300x.