Question 2.65

2.65 Predict one characteristic of a product using another characteristic

In Exercise 2.12 (page 72), you used a scatterplot to examine the relationship between calories per 12 ounces and percent alcohol in 175 domestic brands of beer. In Exercise 2.31 (page 79), you calculated the correlation between these two variables.

  1. Find the equation of the least-squares regression line for these data.
  2. Make a scatterplot of the data with the least-squares regression line.