A physical education director claims by taking a special vitamin, a weight lifter can increase his strength. Eight athletes are selected and given a test of strength, using the standard bench press. After 2 weeks of regular training, supplemented with the vitamin, they are tested again. Test the effectiveness of the vitamin regiment at  = 0.05 Athlete          1          2          3          4          5          6          7          8          Before             210      230      182      205      262      253      219      216 After                219      236      179      204      270      250      222      216

MATLAB: An Introduction with Applications
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A physical education director claims by taking a special vitamin, a weight lifter can increase his strength. Eight athletes are selected and given a test of strength, using the standard bench press. After 2 weeks of regular training, supplemented with the vitamin, they are tested again. Test the effectiveness of the vitamin regiment at  = 0.05

Athlete          1          2          3          4          5          6          7          8         

Before             210      230      182      205      262      253      219      216

After                219      236      179      204      270      250      222      216

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