lew sales representative A corporation damin Management is interested in the extent to which this test is able to predict their eventual success. The accompanying table records average weekly sales (in thousands of pesos) and aptitude test scores for a random sample of eight apfitude representatives. Test 55 60 85 75 80 85 65 60 Scores Weekly Sales 1. Plot a scatter diagram 2. Estimate the linear regression of weekly sales on aptitude test scores. 10 12 28 24 18 16 15 12 3. Estimate the weekly sales when test scores is 70 4. Determine the coefficient of determination

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