Chapter 11 
11.13  L(xx)=9698.56
       L(xy)=1002.4
           b=0.103
           a=4.34
       Thus regression line is y=4.34+0.103x

11.14  RegSS=103.6
     TotalSS=784
       ResSS=680.4

           F=3.50
      0.05