If regression lines are 8x – 10y + 66 = 0 and
40x – 18y = 214 then correlation coefficient
between x & y is
a) -1 b) 0.6 c) -0.6 d) 1
If regression lines are 8x – 10y + 66 = 0 and
40x – 18y = 214 then correlation coefficient
between x & y is
a) -1 b) 0.6 c) -0.6 d) 1