Construct a 90% confidence interval, using the inequality d- d To test the effectiveness of a new drug that is reported to increase the number of 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 1234 6670 9 10 11 12 13 0 Sleep without the drug 443.743 22 23 4331 3332 22 2934 27 Sleep using the drug 59 49 54 33 396864 59 45 4.1 404742 Patient Calculate d for each patient by subtracting the numar of hours of sleep with the drug from the number without the drug The confidence interval is < U (Type an integer or a decimal. Round to two decimal places as needed)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
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Construct a 90% confidence interval, using the inequality d-t
To test the effectiveness of a new drug that is reported to increase the number of 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
56 78 9 10 11 12 13 0
Sleep without the drug 4.4 3.7 43 22 23 43 31 33 32 22 29 34 27
Sleep using the drug 5.9 4.9 5.4 3.3 39 58 54 59 4.5 4.1 4.0 47 42
Calculate d for each patient by subtracting the numar 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-t To test the effectiveness of a new drug that is reported to increase the number of 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 56 78 9 10 11 12 13 0 Sleep without the drug 4.4 3.7 43 22 23 43 31 33 32 22 29 34 27 Sleep using the drug 5.9 4.9 5.4 3.3 39 58 54 59 4.5 4.1 4.0 47 42 Calculate d for each patient by subtracting the numar 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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