A Researcher Calculates a Mean from a Sample of 10

question 98

Multiple Choice

A researcher calculates a mean from a sample of 10 people. In analyzing her data, she states the following hypotheses: H₀: μ = 30 and H₁: μ ≠ 30. If α = .05, which of the following is an appropriate critical value?

• A) 1.833
• B) 2.042
• C) 2.228
• D) 2.262

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