Ans: By ||_(re) gixen points. (t_(1),b_(1))=(-1,-10){:[(t_(2),b_(2))=(0","-7)],[(t_(3),b_(3))=(1","2)],[(t_(4),b_(4))=(2","7)]:}Hre data set x=-1,0,1,2& The data set Y=-10,-7,2,7.EE=" slope "=((sum y)(sumx^(2))-(sum x)(sum xy))/(n(sumx^(2))-(sum x)^(2))Now, Sigma Y=-10-7+2+7=-8quad,Sigma X=-1+0+1+2=2{:[sumx^(2)=(-1)^(2)+(0)^(2)+(1)^(2)+(2)^( ... See the full answer