A corporation administers an aptitude test to all new sales representatives. 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. Test 55 60 85 75 80 85 65 60 Scores Weekly 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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A corporation administers an aptitude test to all new sales representatives. 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.
A corporation administers an aptitude test to all new sales representatives.
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.
Test
55
60
85
75
80
85
65
60
Scores
Weekly
Sales
10
12
28
24
18
16
15
12
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
Transcribed Image Text:A corporation administers an aptitude test to all new sales representatives. 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. Test 55 60 85 75 80 85 65 60 Scores Weekly Sales 10 12 28 24 18 16 15 12 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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