The following regression output is for predicting the heart weight (in g) of cats from their body weight (in kg). The coecients are estimated using a dataset of 144 domestic cats. 20- 15 5- 2.0 2.5 3.0 3.5 4.0 Body weight (kg) Estimate Std. Error -0.357 t value Pr(>t|) -0.515 (Intercept) body wt s = 1.452 0.692 0.607 4.034 0.250 16.119 0.000 R = 64.66% R = 64.41% a) Write out the linear model. y- -0.357 b) Interpret the intercept. 4.034 poverty % Expected heart weight of cats with no body weight is 4.034 kg Expected body weight of cats with no heart weight is 4.034 g For each additional 1 g increase in heart weight, we expect body weight to decrease by 0.357 kg For each additional 1g increase in heart weight, we expect body weight to increase by 0.357 kg For each additional 1 g increase in heart weight, we expect body weight to increase by 4.034 kg Expected heart weight of cats with no body weight is -0.357 kg Expected body weight of cats with no heart weight is -0.357 g For each additional 1 kg increase in body weight, we expect heart weight to decrease by 0.357 g Heart weight )
The following regression output is for predicting the heart weight (in g) of cats from their body weight (in kg). The coecients are estimated using a dataset of 144 domestic cats. 20- 15 5- 2.0 2.5 3.0 3.5 4.0 Body weight (kg) Estimate Std. Error -0.357 t value Pr(>t|) -0.515 (Intercept) body wt s = 1.452 0.692 0.607 4.034 0.250 16.119 0.000 R = 64.66% R = 64.41% a) Write out the linear model. y- -0.357 b) Interpret the intercept. 4.034 poverty % Expected heart weight of cats with no body weight is 4.034 kg Expected body weight of cats with no heart weight is 4.034 g For each additional 1 g increase in heart weight, we expect body weight to decrease by 0.357 kg For each additional 1g increase in heart weight, we expect body weight to increase by 0.357 kg For each additional 1 g increase in heart weight, we expect body weight to increase by 4.034 kg Expected heart weight of cats with no body weight is -0.357 kg Expected body weight of cats with no heart weight is -0.357 g For each additional 1 kg increase in body weight, we expect heart weight to decrease by 0.357 g Heart weight )
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section: Chapter Questions
Problem 10T: Olympic Pole Vault The graph in Figure 7 indicates that in recent years the winning Olympic men’s...
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