A numerical exercise (Hypothes is Testing)
[y^('),3,1,8,3,5, Totel , Mean ],[x_(1)^('),1,1,1,1,1,5,1],[x_(2)^('),3,1,5,2,4,15,3],[x_(3)^('),5,4,6,4,6,25,5]
Test the Hypothesis:
H_(0):\beta _(2)+\beta _(3)=0 H_(1):\beta _(2)+\beta _(3)!=0