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Treatment Placebo H1 H₂ 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 n 33 are equal. Complete parts (a) and (b) below. Use a 0.10 significance level for both parts. 40 2.33 2.61 0.98 0.67 What are the null and alternative hypotheses? OA. Ho: H₁ H₂ H₁: Hy #H₂ OC. Ho: H₁ H₂ Hy: Hy > H₂ The test statistic, t, is (Round to two decimal places as needed.) The P-value is (Round to three decimal places as needed) B OB. Ho: H₁ H₂ H₁: H₁ H₂ OD. Ho: H₁ H₂ H₁: Hy

Treatment Placebo H1 H₂ 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 n 33 are equal. Complete parts (a) and (b) below. Use a 0.10 significance level for both parts. 40 2.33 2.61 0.98 0.67 What are the null and alternative hypotheses? OA. Ho: H₁ H₂ H₁: Hy #H₂ OC. Ho: H₁ H₂ Hy: Hy > H₂ The test statistic, t, is (Round to two decimal places as needed.) The P-value is (Round to three decimal places as needed) B OB. Ho: H₁ H₂ H₁: H₁ H₂ OD. Ho: H₁ H₂ H₁: Hy

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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State the conclusion for the test. OA. 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. 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. 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. OD. 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. b. Construct a confidence interval suitable for testing the claim that the two samples are from populations with the same mean. <H₁-H₂ (Round to three decimal places as needed.)
Transcribed Image Text:State the conclusion for the test. OA. 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. 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. 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. OD. 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. b. Construct a confidence interval suitable for testing the claim that the two samples are from populations with the same mean. <H₁-H₂ (Round to three decimal places as needed.)
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 n are equal. Complete parts (a) and (b) below. Use a 0.10 significance level for both parts. What are the null and alternative hypotheses? OA. Ho: H₁ H₂ H₁: Hy #H₂ OC. Ho: H₁ H₂2 H₁: Hy > H₂ (Round to two decimal places as needed.) The P-value is (Round to three decimal places as needed.) The test statistic, t, is ← OB. Ho: H₁ <H₂ H₁ H₁ H₂ OD. Ho: HH2 H₁: Hy <H₂ EX Treatment Placebo H1 33 2.33 0.98 H₂ 40 2.61 0.67
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 n are equal. Complete parts (a) and (b) below. Use a 0.10 significance level for both parts. What are the null and alternative hypotheses? OA. Ho: H₁ H₂ H₁: Hy #H₂ OC. Ho: H₁ H₂2 H₁: Hy > H₂ (Round to two decimal places as needed.) The P-value is (Round to three decimal places as needed.) The test statistic, t, is ← OB. Ho: H₁ <H₂ H₁ H₁ H₂ OD. Ho: HH2 H₁: Hy <H₂ EX Treatment Placebo H1 33 2.33 0.98 H₂ 40 2.61 0.67
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