Given Two Independent Normal Distributions with S₁² − S₂²= 100

question 57

Multiple Choice

Given two independent normal distributions with s₁² − s₂²= 100, μ₁ = μ₂ = 50, and n₁ = n₂ = 50, the sampling distribution of the mean difference ₁ − ₂ will have a mean of ________.

• A) 100
• B) 1
• C) 0
• D) 50
• E) 10

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