10 Market research has provided the following data on the monthly sales of a licensed T- shirt for a popular rock band. Price ($) Monthly Sales 250 12 220 15 160 18 120 20 80 24 25 a) Create a scatter plot for these data. [2] b) Determine the correlation coefficient and classify the relationship. [4] c) Use linear regression to model these data (i.e., equation of the line of best fit). [4] d) Predict the sales if the shirts are priced at $19.[1] e) The vendor has 150 shirts in stock and the band is going to finish its concert tour in a month. What is the maximum price the vendor can charge and still avoid having shirts left over when the bank stops touring? [1]