The divorce rate (number of divorces per thousand couples) in the United States for the decade of the 1970 s is given Table 7.
(a) Find and
(b) plot the line of best fit and
(c) determine the regression coefficient.
![1991_b97777c3-914e-4789-880d-6188e2decaba.png](https://secure.tutorsglobe.com/CMSImages/1991_b97777c3-914e-4789-880d-6188e2decaba.png)
(d) What would this line predict about the divorce rate in 1987? for a continuation.