corporation administers an aptitude fest 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 representatives. new sales representatives. Test 65 60 55 Scores Weekly 60 85 75 80 85 10 12 28 24 18 16 15 12 Sales 1. Plot a scatter diagram 2. Estimate the linear regression of weekly sales on aptitude test scores. 3. Estimate the weekly sales when test scores is 70 4. Determine the coefficient of determination

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