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Suppose you wish to compare two treatments, A and B. on the basis of independent random samples of 13 observations selected from each of the two populations. If T,= 179, do the data provide sufficient evidence to indicate that distribution A is shifted to the left of distribution B? Test: using a0.05. What are the null and alternative hypotheses? Ho: The probability distribution for population A is the probability distribution for population B. Ha: The probability distribution for population A is the probability distribution for population B. Find the test statistic for this hypothesis test. Round to two decimal places as needed.) Find the p-value for this hypothesis test. (Round to four decimal places as needed.) What is the correct conclusion for this hypothesis test? O A. Do not reject Ho. There is insufficient evidence to indicate that distribution A is shifted to the left of distribution B at a=0.05. O B. Reject Ho. There is sufficient evidence to indicate that distribution A is shifted to the left of distribution B at a= 0.05. OC. Reject Ho- There is insufficient evidence to indicate that distribution A is shifted to the left of distribution B at a= 0.05. OP. Pe not reject Ha. There is sufficient evideng ndicate that distrihutinn A is shiBed distribution B at a0.05

Suppose you wish to compare two treatments, A and B. on the basis of independent random samples of 13 observations selected from each of the two populations. If T,= 179, do the data provide sufficient evidence to indicate that distribution A is shifted to the left of distribution B? Test: using a0.05. What are the null and alternative hypotheses? Ho: The probability distribution for population A is the probability distribution for population B. Ha: The probability distribution for population A is the probability distribution for population B. Find the test statistic for this hypothesis test. Round to two decimal places as needed.) Find the p-value for this hypothesis test. (Round to four decimal places as needed.) What is the correct conclusion for this hypothesis test? O A. Do not reject Ho. There is insufficient evidence to indicate that distribution A is shifted to the left of distribution B at a=0.05. O B. Reject Ho. There is sufficient evidence to indicate that distribution A is shifted to the left of distribution B at a= 0.05. OC. Reject Ho- There is insufficient evidence to indicate that distribution A is shifted to the left of distribution B at a= 0.05. OP. Pe not reject Ha. There is sufficient evideng ndicate that distrihutinn A is shiBed distribution B at a0.05

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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
Problem 8CR
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Suppose you wish to compare two treatments, A and B, on the basis of independent random samples of 13 observations selected from each of the two populations. If T, = 179, do the data provide sufficient evidence to indicate that distribution A is shifted to the left of distribution B? Test, using α 0.05. What are the null and alternative hypotheses? Ho: The probability distribution for population A is the probability distribution for population B. H3: The probability distribution for population A is V the probability distribution for population B. Find the test statistic for this hypothesis test. (Round to two decimal places as needed.) Find the p-value for this hypothesis test. (Round to four decimal places as needed.) What is the correct conclusion for this hypothesis test? O A. Do not reject Ho. There is insufficient evidence to indicate that distribution A is shifted to the left of distribution B at a = 0.05. O B. Reject Ho. There is sufficient evidence to indicate that distribution A is shifted to the left of distribution B at a= 0.05. Oc. Reject Hp. There is insufficient evidence to indicate that distribution A is shifted to the left of distribution B at a= 0.05. O D. Do not reject Hp. There is sufficient evidence to indicate that distribution A is shifted to the left of distribution B at a= 0.05.
Transcribed Image Text:Suppose you wish to compare two treatments, A and B, on the basis of independent random samples of 13 observations selected from each of the two populations. If T, = 179, do the data provide sufficient evidence to indicate that distribution A is shifted to the left of distribution B? Test, using α 0.05. What are the null and alternative hypotheses? Ho: The probability distribution for population A is the probability distribution for population B. H3: The probability distribution for population A is V the probability distribution for population B. Find the test statistic for this hypothesis test. (Round to two decimal places as needed.) Find the p-value for this hypothesis test. (Round to four decimal places as needed.) What is the correct conclusion for this hypothesis test? O A. Do not reject Ho. There is insufficient evidence to indicate that distribution A is shifted to the left of distribution B at a = 0.05. O B. Reject Ho. There is sufficient evidence to indicate that distribution A is shifted to the left of distribution B at a= 0.05. Oc. Reject Hp. There is insufficient evidence to indicate that distribution A is shifted to the left of distribution B at a= 0.05. O D. Do not reject Hp. There is sufficient evidence to indicate that distribution A is shifted to the left of distribution B at a= 0.05.
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