Refer to Exercise 3.45. Use a scatterplot to plot the price per roll and number of sheets per roll.
In exercise

a. Do the 24 points appear to fall on a straight line?
b. If not, is there any other relation between the two prices?
c. What factors may explain why the ratio of price per roll to number of sheets is not a constant?

S- r-165 B2 104 990 102 009 111 009 003 014 195 100 009 07 199 100 1 She 50 55 64 96 90 60 52 72 80 52 85 80 85 80 80 80 85 85 78 80 80 100 100 90 9 6965978879 6578557967 1. 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0. 12345678901234567890