For Exercises use the same data as for the corresponding exercises in Section 10–1. For each exercise, find the equation of the regression line and find the y  value for the specified x value. Remember that no regression should be done when r is not significant.

Men’s and women’s winning national championship bowling series scores are shown for a random selection of years.

Find ý when x = 810.

Men’s and women’s winning national championship bowling series scores are shown for a random selection of years. Is there a linear relationship between the variables?

Men Women 823 858 812 832 833 826 752 754 771 736 792 763