=+ Relevant summary qualities are as follows:

^xi 5 19.404, ^yi 5 2.549, ^x 2

i 5 13.248032

^y 2

i 5 11.835795, ^xi yi 5 3.497811 Sxx 5 13.248032 2 (19.404)2 y32 5 1.48193150, Syy 5 11.82637622 Sxy 5 3.497811 2 (19.404)(2.549)y32 5 3.83071088