Construct a 90% confidence interval, using the inequality d-te

MATLAB: An Introduction with Applications
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Construct a 90% confidence interval, using the inequality d –to
To test the effectiveness of a new drug that is reported to increase the number of
9 +p> Prl >
hours of sleep patients get during the night, researchers randomly select 13 patients and record the number of hours of sleep each gets with and without the new drug.
Patient
1
2
3
6 7
12 13
Sleep without the drug 4.4 4.1 3.8 3.7 4.1 3.3 3.9 3.9 4.3 3.4 2.6 2.7 2.2
5.5 5.9 5.56.0 6.6 4.4 5.1 5.1 4.9 5.2 4.8 4.8 4.0
4
8
10
11
Sleep using the drug
Calculate d for each patient by subtracting the number of hours of sleep with the drug from the number without the drug. The confidence interval is
(Type an integer or a decimal. Round to two decimal places as needed.)
Transcribed Image Text:Construct a 90% confidence interval, using the inequality d –to To test the effectiveness of a new drug that is reported to increase the number of 9 +p> Prl > hours of sleep patients get during the night, researchers randomly select 13 patients and record the number of hours of sleep each gets with and without the new drug. Patient 1 2 3 6 7 12 13 Sleep without the drug 4.4 4.1 3.8 3.7 4.1 3.3 3.9 3.9 4.3 3.4 2.6 2.7 2.2 5.5 5.9 5.56.0 6.6 4.4 5.1 5.1 4.9 5.2 4.8 4.8 4.0 4 8 10 11 Sleep using the drug Calculate d for each patient by subtracting the number of hours of sleep with the drug from the number without the drug. The confidence interval is (Type an integer or a decimal. Round to two decimal places as needed.)
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