Which of the following regressions represents the strongest linear relationship
between x and y?
Regression 1)
y = ax + b
a = -15.5
b=3
r= -1.0333
Regression 2)
y = ax + b
a = -7.5
b = -4.3
r = -0.997
Regression 3)
y = ax + b
a = -17.8
b = 12
r = -0.7279
Regression 4)
y = ax + b
a = 16.6
b= 17.8
r = 0.2913