Question

2(x - 7)(y – 5) = 55,2(x – 7)2 =
60, (y – 5)2 = 70, n = 9,
then coefficient of correlation is
O r=0.788
O r=0.849
O r=0.9
r=0.949​

Answer 1

O r-0.849.,., ,.,.,.,.,