A book store is keeping track of the price of books according to the number of pages. Which scatterplot represents
 that bivariate data?
 tu
 400
 16
 16
 12
 300
 12
 300
 $ 200
 8
 100
 4
 4 8 12 16
 Price (8)
 4 8 12 16
 Books
 100 200 300 400
 Pages
 4 8 12 16
 Books