MATH 315 Quiz 01

Due 2025-11-19 by 11:59pm

1. Load the dataset carnivora. Our goal is to predict brain weight SB (grams) using body weight SW (kilograms).

   a. Perform step 1 of any regression analysis, using ggplot2. Describe the assocation of these variables.

   b. Add to your plot + scale_x_log10() + scale_y_log10() to put both the x and y axes on the log10 scale. Change the axis labels appropriately. Describe the association of the log10 transormed variables.

   c. Fit a model with both the x and y axis variables log10 transformed.

   d. Report and interpret in context of the data adjusted .

   e. Add to your plot the fitted regression model, with both axes on the original scale.