A Researcher Calculates a Mean from a Sample of 23

question 94

Multiple Choice

A researcher calculates a mean from a sample of 23 people. In analyzing her data, she states the following hypotheses: H₀: μ = 25 and H₁: μ ≠ 25. For α = .05, which is an appropriate critical value?

• A) 1.717
• B) 2.074
• C) 2.069
• D) 2.064

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