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This test: 5 point(s) st: Chapter 9 Test Question 3 of 5 possible This question: 1 Submit test point(s) possible Treatment |Placebo A study was
H2 Hy : Hy # 12 The test statistic, t, is ]. (Round to two decimal places as needed.) The P-value is . (Round to three decimal places as needed.) State the conclusion for the test O A. Fail to reject the null hypothesis. There is sufficient evidence to warrant rejection of the claim that the two samples are from populations with the same mean. O B. Fail to reject the null hypothesis. There is not sufficient evidence to warrant rejection of the claim that the two samples are from populations with the same mean. O C. Reject the null hypothesis. There is not sufficient evidence to warrant rejection of the claim that the two samples are from populations with the same mean. O D. Reject the null hypothesis. There is sufficient evidence to warrant rejection of the claim that the two samples are from populations with the same mean b. Construct a confidence interval suitable for testing the claim that the two samples are from populations with the same mean.
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