A study was conducted to investigate the effectiveness of hypnotism in reducing pain. Sample Data Before After 6.6 6.8 6.5 2.4 9.0 7.4 10.3 8.5 1. Test the claim that hypnotism reduced pain. Use a 5% level of significance. 2. Construct the 90% confidence interval for the reduction in pain by hypnotism 11.3 8.1 8.1 6.1 6.3 3.4 11.6 2.0

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