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Consider the hypothesis test Ho: M₁ = μ₂ against H₁: M₁ M₂. Suppose that sample sizes are = 4 and s² = 6.25. Assume that m₁ = 15 and n₂ = 15, that x₁ = 4.7 and ₂ = 7.8, and that s o = o2 and that the data are drawn from normal distributions. Use a = 0.05. Test the hypothesis. a. Because -3.75 <-2.048. Fail to reject the null hypothesis at a = 0.01 O b. Because -3.75 -2.048. Reject the null hypothesis at a = 0.05 O c. Because -3.75 -2.048. Fail to reject the null hypothesis at a = 0.05 d. None among the choices

Consider the hypothesis test Ho: M₁ = μ₂ against H₁: M₁ M₂. Suppose that sample sizes are = 4 and s² = 6.25. Assume that m₁ = 15 and n₂ = 15, that x₁ = 4.7 and ₂ = 7.8, and that s o = o2 and that the data are drawn from normal distributions. Use a = 0.05. Test the hypothesis. a. Because -3.75 <-2.048. Fail to reject the null hypothesis at a = 0.01 O b. Because -3.75 -2.048. Reject the null hypothesis at a = 0.05 O c. Because -3.75 -2.048. Fail to reject the null hypothesis at a = 0.05 d. None among the choices

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
Problem 9E
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Consider the hypothesis test Ho: M₁ = μ₂ against H₁: M₁ M₂. Suppose that sample sizes are n₁ = 15 and n₂ = 15, that x₁ = 4.7 and ₂ = 7.8, and that s² = 4 and s² = 6.25. Assume that 으로 = o2 and that the data are drawn from normal distributions. Use a = 0.05. Test the hypothesis. a. Because -3.75 < -2.048. Fail to reject the null hypothesis at a = 0.01 O b. Because -3.75 -2.048. Reject the null hypothesis at a = 0.05 O c. Because -3.75 -2.048. Fail to reject the null hypothesis at a = 0.05 d. None among the choices
Transcribed Image Text:Consider the hypothesis test Ho: M₁ = μ₂ against H₁: M₁ M₂. Suppose that sample sizes are n₁ = 15 and n₂ = 15, that x₁ = 4.7 and ₂ = 7.8, and that s² = 4 and s² = 6.25. Assume that 으로 = o2 and that the data are drawn from normal distributions. Use a = 0.05. Test the hypothesis. a. Because -3.75 < -2.048. Fail to reject the null hypothesis at a = 0.01 O b. Because -3.75 -2.048. Reject the null hypothesis at a = 0.05 O c. Because -3.75 -2.048. Fail to reject the null hypothesis at a = 0.05 d. None among the choices
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