A company has recorded data on the weekly sales for its prod
A company has recorded data on the weekly sales for its product (y) and the unit price of the competitor\'s product (x). The data resulting from a random sample of 7 weeks follows. Use Excel s Regression Tool to answer the following questions. What is the estimated regression equation? Perform a t test and determine whether or not x and y arc related. Use a = 0.05. Perform an F test and determine whether or not x and y are related. Use ct = 0.05. Find and interpret the coefficient of determination.
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