Which of the following regressions represents the strongest negative linear relationship between x and y? Regression 1
y=ax+by=ax+b
a=-2.2a=−2.2
b=1.2b=1.2
r=-0.5227r=−0.5227 Regression 2
y=ax+by=ax+b
a=-1.4a=−1.4
b=15.2b=15.2
r=-1.0142r=−1.0142 Regression 3
y=ax+by=ax+b
a=-14.1a=−14.1
b=12.8b=12.8
r=-0.1079r=−0.1079 Regression 4
y=ax+by=ax+b
a=19a=19
b=-4.7b=−4.7
r=0.5949r=0.5949