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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. a Test the claim that the two samples are from populations with the same mean What are the nut and alamative hypotheses? CA 14 P ос Моне "на H₂ PPP2 The statistics Round to two decimal places as needed) The P-value Round to three decimal places as needed) State the conclusion for the last OB. H₂ H₁ H₂ H₁ H₂2₂ a Construct a confidence interval suitable for testing the claim that the two samples are from populations with the same mean 04-0 (Round to three decimal places as needed) OD. Ho: ₁₂ H₁: ₂ OA 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 OB 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. OC 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 00 Fail to ect the null hypothesis. There is not sufficient evidence to wamant rejection of the claim that the two samples are from populations with the same mean. AGE H Treatment Placebo H₁ 27 2.38 0.89 5182

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. a Test the claim that the two samples are from populations with the same mean What are the nut and alamative hypotheses? CA 14 P ос Моне "на H₂ PPP2 The statistics Round to two decimal places as needed) The P-value Round to three decimal places as needed) State the conclusion for the last OB. H₂ H₁ H₂ H₁ H₂2₂ a Construct a confidence interval suitable for testing the claim that the two samples are from populations with the same mean 04-0 (Round to three decimal places as needed) OD. Ho: ₁₂ H₁: ₂ OA 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 OB 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. OC 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 00 Fail to ect the null hypothesis. There is not sufficient evidence to wamant rejection of the claim that the two samples are from populations with the same mean. AGE H Treatment Placebo H₁ 27 2.38 0.89 5182

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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. a Test the claim that the two samples are from populations with the same mean What are the null and alternative hypotheses? OA HP P₂ H₂2 OC H₂P₂ My P1 P2 The statistics (Round to bwo decimal places as needed) The P-value (Round to three decimal places as needed) State the conclusion for the test OB. Ho: #₁ #₂ H₁ H₁ H2 04-0 (Round to three decimal places as needed) OD. Ho: #₂ Hy: 14 2 OA 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. OB 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. OC. 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. Oo. Fail to ect 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. b. Construct a confidence interval suitable for testing the claim that the two samples are from populations with the same mean Treatment Placebo H₁ 27 n 2.38 0.89 EGXD x 37 88 2.66 0.56
Transcribed Image Text: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. a Test the claim that the two samples are from populations with the same mean What are the null and alternative hypotheses? OA HP P₂ H₂2 OC H₂P₂ My P1 P2 The statistics (Round to bwo decimal places as needed) The P-value (Round to three decimal places as needed) State the conclusion for the test OB. Ho: #₁ #₂ H₁ H₁ H2 04-0 (Round to three decimal places as needed) OD. Ho: #₂ Hy: 14 2 OA 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. OB 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. OC. 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. Oo. Fail to ect 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. b. Construct a confidence interval suitable for testing the claim that the two samples are from populations with the same mean Treatment Placebo H₁ 27 n 2.38 0.89 EGXD x 37 88 2.66 0.56
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