A linear regression model with more than one independent variable is called a: multi-factor regression O simple linear regression multiple linear regression two-way linear regressionWhich of the following regressions represents the strongest negative linear relationship between x and y? Regression 1 Regression 2 Regression 3 Regression 4 y = ax + b y = ax + b y = ax + b y = ax + b a = -4.5 a = -12 a = 19 0 = -10.7 b = 10.8 b = 7.5 b = 4.5 b = -18.5 r = -0.7428 r = -1.032 r = 0.9762 r = -0.4245 Regression 1 Regression 2 Submit Answer Regression 3 Regression 4 problem 1Which of the following regressions represents the weakest linear relationship between x and y? Regression 1 Regression 2 Regression 3 Regression 4 y = ax + b y = ax +b y = ax +b, y = ar +.b Q = 7.9 = -3.9 a = 1.5 Q= -9.1 b = -1.6 b = -7.5 b = -0.3 b = 12 r = 0.6824 r = -0.3523 r = 0.5679 r = -0.4425 Regression 1 Regression 2 Submit Answer Regression 3 Regression 4