The ratings discussed in Problem 3 were constructed because the company felt that the moisture levels in the raw material were causing them to have problems in their plant. The data set rat ings2 . txt contains both the ratings and the corresponding moisture levels for the raw material.
(a) Make a scatter plot of the data.
(b) Write a paragraph describing the relationship between the two variables. Is there evidence of a relationship between the ratings and the moisture levels?
(c) Discuss the potential merits or downfall of the rating measurement.