Test stat:p value:Construct a confidence interval suitable for testing the claim that the two samples are from population with same mean____<u1-u2<___ Treatment PlaceboP1A study was done using a treatment group and a placebo group. The results are shown in the table. Assume that the two samples areindependent simple random samples selected from normally distributed populations, and do not assume that the population standarddeviations are equal. Complete parts (a) and (b) below. Use a 0.01 significance level for both parts.P22935X2.332.650.940.52a. Test the claim that the two samples are from populations with the same mean.What are the null and alternative hypotheses?O A. Ho H1- H2O B. Ho: H1 #2H1 P1>P2O C. Ho H1H2D. Ho: P1= H2H1: 41

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Test stat: p value: Construct a confidence interval suitable for testing the claim that the two samples are from population with same mean ____

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.7: Probability

Problem 58E: What is meant by the sample space of an experiment?

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Estimation

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Question

Test stat:

p value:

Construct a confidence interval suitable for testing the claim that the two samples are from population with same mean

____<u1-u2<___

Treatment Placebo
P1
A study was done using a treatment group and a placebo group. The results are shown in the table. Assume that the two samples are
independent simple random samples selected from normally distributed populations, and do not assume that the population standard
deviations are equal. Complete parts (a) and (b) below. Use a 0.01 significance level for both parts.
P2
29
35
X
2.33
2.65
0.94
0.52
a. Test the claim that the two samples are from populations with the same mean.
What are the null and alternative hypotheses?
O A. Ho H1- H2
O B. Ho: H1<H2
H1: P1> #2
H1 P1>P2
O C. Ho H1H2
D. Ho: P1= H2
H1: 41<H2
H1. H1 P2
The test statistic, t, is
(Round to two decimal places as needed.)
Enter your answer in the answer box and then click Check Answer.
Check Answer
3 parts
remaining
Clear All
Us
SAMSUNG

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