A Researcher Calculates a Mean from a Sample of 15

question 119

Multiple Choice

A researcher calculates a mean from a sample of 15 people. In analyzing her data, she states the following hypotheses: H₀: μ = 25 and H₁: μ ≠ 25. If α = .05, which of the following is an appropriate critical value?

• A) 1.709
• B) 1.753
• C) 2.060
• D) 2.145

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