Is there a relationship between the protein content and the cost of Subway sandwiches? Use software to analyze the data in the following table:

a. Construct a scatterplot to show how protein depends on cost. Is the association positive or negative? Do you notice any unusual observations?
b. What might explain the gap observed in the scatterplot?
c. Obtain the correlation between cost and protein, r. Interpret this value in context.

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Sandwich BLT Cost (S) Protein g $2.99 Ham (Black Forest, without cheese $2.99 18 S3.49 S3.69 S3.89 $3.89 $3.49 $3.49 S2 49 $2.99 S3.10 Oven Roasted Chicken Roast Beef Subway Clubo Sweet Onion Chicken Teriyaki Turkey Breast 18 19 Turkey Breast & Hanm Veggie Delite Cold Cut Combo Tuna