A study was conducted to measure the effectiveness of hypnotiam 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% confiderice interval for the mean of the "before-after differences. Does hypnotism appear to be effective in reducing pain? Before After 64 69 25 9.3 7.2 Construct a 95% confidence interval for the mean of the "before-after differences (Round to two decimal places as needed) 11.0 8.1 8.9 8.2 6.8 43 3.7 0.5 21 0

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-Assignment 11 (Chapter 9-
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
Kdata are simple random samples and that the differences have a distribution that is approximately normal. Construct a 95% confiderice interval for the mean of the "before-after differences. Does
hypnotism appear to be effective in reducing pain?
D
Before
After
8.1
64
Question 6, 9.3.14-T
Part 1 of 2
6.9
2.5
9.3
7.2
Construct a 95% confidence interval for the mean of the "before-after differences
(Round to two decimal places as needed.)
C
11.0
8.1
8.9
8.2
8.7
6.8
4.3
3.7
0.5
2.1
Save
Transcribed Image Text:-Assignment 11 (Chapter 9- 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 Kdata are simple random samples and that the differences have a distribution that is approximately normal. Construct a 95% confiderice interval for the mean of the "before-after differences. Does hypnotism appear to be effective in reducing pain? D Before After 8.1 64 Question 6, 9.3.14-T Part 1 of 2 6.9 2.5 9.3 7.2 Construct a 95% confidence interval for the mean of the "before-after differences (Round to two decimal places as needed.) C 11.0 8.1 8.9 8.2 8.7 6.8 4.3 3.7 0.5 2.1 Save
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