Question

For 50 randomly selected speed​ dates, attractiveness ratings by males of their female date partners​ (x) are recorded along with the attractiveness ratings by females of their male date partners​ (y); the ratings range from 1 to 10. The 50 paired ratings yield x overbar=6.3​, y overbar=5.9​, r=-0.169​, ​P-value=0.240​, and ModifyingAbove y with caret=7.18 -0.198x. Find the best predicted value of ModifyingAbove y with caret ​(attractiveness rating by female of​ male) for a date in which the attractiveness rating by the male of the female is xequals9. Use a 0.01 significance level.

The best predicted value of ModifyingAbove y with caret when x=9 is ___

Answer 1