A study was conducted to measure the effectiveness of a

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A study was conducted to measure the effectiveness of a hypnotism in reducing pain. The measurements are centimeters on a pain scale before and after hypnosis.

before	9.7	6.0	10.4	11.2	8.1	5.6	5.7	0.2
After	6.9	2.4	7.8	8.5	8.4	6.8	3.5	2.1

Construct a 95% confidence interval for the mean of the "before-after" differences

Reference no: EM13626876

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