What most likely happened to our R-Squared value when we added the third predictor LSTAT to our initial model?

 
 
 
 
 
Other Questions Of This Category

The study relating brain weight (grams) and head size (cubic cm) yielded an R-squared of 0.6393. Which of the following is a correct interpretation of the R-squared?

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What is true about multiple linear regression and marginal linear models when dependence is present in data?

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A new model was fit, this time adding in the two categorical variables Sex (0=male, 1=female) and Age (0=young, 20-46 years old, 1= old, 46+ years old), the model summary is shown below