Given the Following Information About a Hypothesis Test of the Difference

question 8

Multiple Choice

Given the following information about a hypothesis test of the difference between two means based on independent random samples, what is the calculated value of the test statistic? Assume that the samples are obtained from normally distributed populations having equal variances. H_A: μ_A > μ_B, = 12, = 9, s₁ = 5, s₂ = 3, n₁ = 13, n₂ = 10.

• A) t = 1.96
• B) t = 1.5
• C) t = 2.823
• D) t = 1.674
• E) t = 1.063

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