MATH 97
1. A product review website is analyzing all new car models from the past year. For each car
model, they have recorded the estimated cost, mpg rating (such as 22 mpg), and safety rating
(1 through 5, with 5 as safest).
a. What are the variables? Sketch a table showing what the data matrix might
look like.
The variables are
b. Define the variable type for each variable (numerical, continuous, discrete,
categorical, regular categorical, ordinal)