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 ​, ​, r​, ​P-value​, and x. Find the best predicted value of ​(attractiveness rating by female of​ male) for a date in which the attractiveness rating by the male of the female is x. Use a significance level. The best predicted value of when x is nothing. ​(Round to one decimal place as​ needed.)