2(3)-9(2)-11x+8=0 (2)(3)-(9)(2)-11x+8=0 6+-18+-11x+8=0 (-11x)+(6+-18+8)=0 Combine Like Terms. -11x+-4=0 -11x-4=0 Add 4 to both sides. -11x-4+4=0+4 -11x=4 Divide both sides by -11. -11x/-11=4/-11 x=-4/11
Assuming the question is in the wrong format and"date" is data. I chose X= 10,11,16,9,7,15,16,10 and Y= <span>96,51,62,58,89,81,46,51 the correlation cooefficent is -0.3351