The accompanying data are x = cost (cents per serving) and y = fiber content (grams per serving) for 18 high fiber cereals rated by Consumer Reports (www. consumerreports. org/ health).

a. Construct a scatterplot of fiber content versus cost. Based on the scatterplot, how would you describe the relationship between fiber content and cost?
b. Compute and interpret the value of the correlation coefficient.
c. The serving size differed for the different cereals, with serving sizes varying from a half cup to one and a quarter cups. Converting price and fiber content to €œper cup€rather than €œper serving€results in the following data. Is the correlation coefficient for the per cup data greater than or less than the correlation coefficient for the perserving data?

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