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Test the claim about the difference between two population means μ₁ and ₂ at the level of significance a. Assume the samples are random and independent, and the populations are normally distributed. Claim: ₁₂; α = 0.01 Population parameters: a₁ =3.3, 0₂ = 1.6 Sample statistics: x₁ = 14, n₁ =27, x₂=12, n₂ =28 Determine the alternative hypothesis. Ha: H1 H₂ Determine the standardized test statistic. =(Round to two decimal places as needed.) Determine the P-value. P-value= (Round to three decimal places as needed.) What is the proper decision? Z= O A. Reject Ho. There is not enough evidence at the 1% level of significance to reject the claim. OB. Fail to reject Ho. There is not enough evidence at the 1% level of significance to reject the claim. OC. Fail to reject Ho. There is enough evidence at the 1% level of significance to reject the claim. OD. Reject Ho. There is enough evidence at the 1% level of significance to reject the claim.

Test the claim about the difference between two population means μ₁ and ₂ at the level of significance a. Assume the samples are random and independent, and the populations are normally distributed. Claim: ₁₂; α = 0.01 Population parameters: a₁ =3.3, 0₂ = 1.6 Sample statistics: x₁ = 14, n₁ =27, x₂=12, n₂ =28 Determine the alternative hypothesis. Ha: H1 H₂ Determine the standardized test statistic. =(Round to two decimal places as needed.) Determine the P-value. P-value= (Round to three decimal places as needed.) What is the proper decision? Z= O A. Reject Ho. There is not enough evidence at the 1% level of significance to reject the claim. OB. Fail to reject Ho. There is not enough evidence at the 1% level of significance to reject the claim. OC. Fail to reject Ho. There is enough evidence at the 1% level of significance to reject the claim. OD. Reject Ho. There is enough evidence at the 1% level of significance to reject the claim.

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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Test the claim about the difference between two population means μ, and μ₂ at the level of significance a. Assume the samples are random and independent, and the populations are normally distributed. Claim: ₁ = ₂; α = 0.01 Population parameters: o₁ = 3.3, 0₂ = 1.6 Sample statistics: x₁ = 14, n₁ =27, x₂=12, n₂ =28 Determine the alternative hypothesis. Ha: H₁ H₂ Determine the standardized test statistic. (Round to two decimal places as needed.) Determine the P-value. P-value = (Round to three decimal places as needed.) What is the proper decision? ... O A. Reject Ho. There is not enough evidence at the 1% level of significance to reject the claim. B. Fail to reject Ho. There is not enough evidence at the 1% level of significance to reject the claim. OC. Fail to reject Ho. There is enough evidence at the 1% level of significance to reject the claim. OD. Reject Ho. There is enough evidence at the 1% level of significance to reject the claim.
Transcribed Image Text:Test the claim about the difference between two population means μ, and μ₂ at the level of significance a. Assume the samples are random and independent, and the populations are normally distributed. Claim: ₁ = ₂; α = 0.01 Population parameters: o₁ = 3.3, 0₂ = 1.6 Sample statistics: x₁ = 14, n₁ =27, x₂=12, n₂ =28 Determine the alternative hypothesis. Ha: H₁ H₂ Determine the standardized test statistic. (Round to two decimal places as needed.) Determine the P-value. P-value = (Round to three decimal places as needed.) What is the proper decision? ... O A. Reject Ho. There is not enough evidence at the 1% level of significance to reject the claim. B. Fail to reject Ho. There is not enough evidence at the 1% level of significance to reject the claim. OC. Fail to reject Ho. There is enough evidence at the 1% level of significance to reject the claim. OD. Reject Ho. There is enough evidence at the 1% level of significance to reject the claim.
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