Which of the following regressions represents the strongest positive linear relationship between x and y Regression 1
y=ax+by=ax+b
a=5.6a=5.6
b=18.7b=18.7
r=0.9642r=0.9642
Regression 2
y=ax+by=ax+b
a=17a=17
b=6.3b=6.3
r=0.8275r=0.8275
Regression 3
y=ax+by=ax+b
a=-6.9a=−6.9
b=-13.2b=−13.2
r=-0.0073r=−0.0073
Regression 4
y=ax+by=ax+b
a=4.7a=4.7
b=-19b=−19
r=1.0543r=1.0543