This is a LaTeX template for class homework assignments. It demonstrates numbered questions with multiple parts and creating lines for students to use when writing their answers.
This template was originally published on ShareLaTeX and subsequently moved to Overleaf in October 2019.
In this note, we will show how transformations can be used to obtain a radically simple derivation of the equation of the line of best fit. Our approach also gives a simple geometric interpretation of the Pearson correlation coefficient.