A regression line for the data.                                     (6 marks)

A forecast of profit for a store with sales of $24 million?                                     (2 marks)

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Product moment coefficient of correlation                                                           (6 marks)

Coefficient of determination                                       (6 marks)

Interpret the nature and strength of the relationship between the variables.

                                          (3 marks)

Interpret the coefficient of determination with respect to the variables.        (3 marks)


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