Drug Trial Problem Clinical trials for a drug was conducted using a treatment group and a placebo group.  The results are shown in the table below.   Treatment Placebo μ μ₁ μ₂ n 35 37 x̄ 2.51 2.81 s 0.93 0.68 Use a 0.05 significance level to test the claim that the two samples are from populations with the same mean. Test the claim by constructing a 95% confidence interval. Round values to 3 decimal places. __________ < (p1 - p2) < _____________

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
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Drug Trial Problem
Clinical trials for a drug was conducted using a treatment group and a placebo group.  The results are shown in the table below.

  Treatment Placebo
μ μ μ
n 35 37
2.51 2.81
s 0.93 0.68

Use a 0.05 significance level to test the claim that the two samples are from populations with the same mean.

Test the claim by constructing a 95% confidence interval.
Round values to 3 decimal places.

__________ < (p1 - p2) < _____________

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