A study was conducted to measure the effectiveness of hypnotism in reducing pain. The measurements are...
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A study was conducted to measure the effectiveness of hypnotism in reducing pain. The measurements are centimeters on a pain scale before and after hypnosis. Assume that the paired sample data are simple random samples and that the differences have a distribution that is approximately normal. Construct a 95% confidence interval for the mean of the "before-after" differences. Does hypnotism appear to be effective in reducing pain? Before After 6.8 6.2 3.7 2.6 77 7.2 21 7.1 9.2 8.6 12.9 8.8 5.4 46 6.6 Construct a 95% confidence interval for the mean of the "before-after" differences. A study was conducted to measure the effectiveness of hypnotism in reducing pain. The measurements are centimeters on a pain scale before and after hypnosis. Assume that the paired sample data are simple random samples and that the differences have a distribution that is approximately normal. Construct a 95% confidence interval for the mean of the "before-after" differences. Does hypnotism appear to be effective in reducing pain? Before After 6.8 6.2 3.7 2.6 77 7.2 21 7.1 9.2 8.6 12.9 8.8 5.4 46 6.6 Construct a 95% confidence interval for the mean of the "before-after" differences.
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Answer To construct a 95 confidence interval for the mean of the beforeafter differences we first need to calculate the differences for each pair of m... View the full answer
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