The following regression output is for predicting the heart weight (in g) of cats from their body
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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.
(a) Write out the linear model.
(b) Interpret the intercept.
(c) Interpret the slope.
(d) Interpret R2.
(e) Calculate the correlation coefficient.
Transcribed Image Text:
(Intercept) body wt s = 1.452 Estimate -0.357 4.034 Std. Error 0.692 0.250 R² = 64.66% t value -0.515 16.119 R² Pr(>|t|) 0.607 0.000 = 64.41% = adj
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a The linear model is given by Heart weight in g 0357 4034 Body weight in kg b Interpretation of the intercept The intercept of the model is 0357 In t...View the full answer
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Related Book For
OpenIntro Statistics
ISBN: 9781943450077
4th Edition
Authors: David Diez, Mine Çetinkaya-Rundel, Christopher Barr
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