Which of the following regressions represents the strongest linear relationship between x and y? Regression 1
y=ax+by=ax+b
a=-1.2a=−1.2
b=6b=6
r=-0.7058r=−0.7058 Regression 2
y=ax+by=ax+b
a=14.9a=14.9
b=-6.4b=−6.4
r=1.1754r=1.1754 Regression 3
y=ax+by=ax+b
a=15.7a=15.7
b=10.7b=10.7
r=0.3293r=0.3293 Regression 4
y=ax+by=ax+b
a=16.1a=16.1
b=-15.1b=−15.1
r=0.5469r=0.5469