The following regression output is for predicting the heart weight (in g) of cats from their body weight (in kg). The coefficients are estimated using a dataset of 144 domestic cats Estimate Std. Error t value Pr(>lt) 20
(Intercept) -0.357 0.692 -0.515 0.607
body wt 4.034 0.250 16.119 0.000
s = 1.452 R2 64.66% Radj-64.41%
(a) Write out the linear model
(b) Interpret the intercept
(c) Interpret the slope
(d) Interpret R2
(e) Calculate the correlation coefficient