Construct a 90% confidence interval, using the inequality d-to Prt>

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Construct a 90% confidence interval, using the inequality d-to
Vn
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.
+p> Prt >
Patient
1
2
4
3
Sleep without the drug 2.6 2.4 3.1 4.3 3.6 4.8 1.8 3.2 4.6 3.9 2.9 2.2 2.3
6.
7
8
9
10
12 13 D
11
Sleep using the drug
4.0 3.7 5.2 6.2 5.5 7.0 3.1 5.0 5.5 6.4 3.6 3.9 4.5
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 <H<.
(Type an integer or a decimal. Round to two decimal places as needed.)
Enter your answer in the edit fields and then click Check Answer.
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Transcribed Image Text:Question Help v Construct a 90% confidence interval, using the inequality d-to Vn 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. +p> Prt > Patient 1 2 4 3 Sleep without the drug 2.6 2.4 3.1 4.3 3.6 4.8 1.8 3.2 4.6 3.9 2.9 2.2 2.3 6. 7 8 9 10 12 13 D 11 Sleep using the drug 4.0 3.7 5.2 6.2 5.5 7.0 3.1 5.0 5.5 6.4 3.6 3.9 4.5 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 <H<. (Type an integer or a decimal. Round to two decimal places as needed.) Enter your answer in the edit fields and then click Check Answer. All parts showing Clear All Check Answer
Test the claim below about the mean of the differences for a population of paired data at the level of significance a. Assume the samples are random and dependent, and
the populations are normally distributed.
Claim: H, 20; a = 0.10. Sample statistics: d = -2.3, s, = 1.5, n = 17
O A. Ho: Ha #0
Ha: Hd =0
OB. Ho: Ha =0
OD. Ho: Ho>0
Hai Hg SO
OC. Ho: Ha <0
OF Hoi Ho so
H3 Ha> 0
E. Ho: Ha 20
Ha: Hd <0
The test statistic is t =
(Round to two decimal places as needed.)
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Transcribed Image Text:Test the claim below about the mean of the differences for a population of paired data at the level of significance a. Assume the samples are random and dependent, and the populations are normally distributed. Claim: H, 20; a = 0.10. Sample statistics: d = -2.3, s, = 1.5, n = 17 O A. Ho: Ha #0 Ha: Hd =0 OB. Ho: Ha =0 OD. Ho: Ho>0 Hai Hg SO OC. Ho: Ha <0 OF Hoi Ho so H3 Ha> 0 E. Ho: Ha 20 Ha: Hd <0 The test statistic is t = (Round to two decimal places as needed.) Enter your answer in the answer box and then click Check Answer. Check Answer Clear All parts remaining Question 10 (0/1) (o 11 (1)
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