Accuracy of Polygraph Tests The data in the accompanying table summarize results from tests of the accuracy of polygraphs (based on data from the Office of Technol- ogy Assessment). Use a 0.05 significance level to test the claim that whether the subject lies is independent of the polygraph indication. What do the results suggest about the effectiveness of polygraphs?
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Polygraph Indicated
Truth
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Polygraph Indicated
Lie
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Subject actually told the truth
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65
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15
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Subject actually told a lie
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3
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17
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