A study was conducted to investigate the effectiveness of hypnotism in reducing pain. Results for randomly selected subjects are the following: Subject: A   B    C      D     E      F     G      H Before: 6.6, 6.5, 9.0, 10.3, 11.3, 8.1, 6.3, 11.6 After: 6.8, 2.4, 7.4, 8.5, 8.1, 6.1, 3.4, 2.0 The measurements are in centimeters on a pain scale. Higher values correspond to greater levels of pain. Perform a hypothesis test to determine if Hypnotism is effective in reducing pain. a)Define your parameters and state null and alternative hypotheses. b)Test Statistics c) P-value approach c)Conclusion

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A study was conducted to investigate the effectiveness of hypnotism in reducing pain. Results for randomly selected subjects are the following:

Subject: A   B    C      D     E      F     G      H

Before: 6.6, 6.5, 9.0, 10.3, 11.3, 8.1, 6.3, 11.6

After: 6.8, 2.4, 7.4, 8.5, 8.1, 6.1, 3.4, 2.0

The measurements are in centimeters on a pain scale. Higher values correspond to greater levels of pain. Perform a hypothesis test to determine if Hypnotism is effective in reducing pain.

a)Define your parameters and state null and alternative hypotheses.

b)Test Statistics

c) P-value approach

c)Conclusion

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