Given the Following Information About a Hypothesis Test of the Difference

question 57

Multiple Choice

Given the following information about a hypothesis test of the difference between two means based on independent random samples,which one of the following is the correct rejection region at a significance level of .05? H_A: µ_A> µ_B, ₁ = 12, ₂ = 9,s₁ = 4,s₂ = 2,n₁ = 13,n₂ = 10.

• A)Reject H₀ if Z > 1.96
• B)Reject H₀ if Z > 1.645
• C)Reject H₀ if t > 1.721
• D)Reject H₀ if t > 2.08
• E)Reject H₀ if t > 1.782

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Definitions:

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Generational Cohort

A group of people of the same generation—typically have similar purchase behaviors because they have shared experiences and are in the same stage of life.

Demographic Data

Information collected about populations or specific groups, including statistics on age, gender, income, race, and education, used for analysis and policy-making.