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
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
Problem 1SE: What term is used to express the likelihood of an event occurring? Are there restrictions on its...
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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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