Which of the Following Confidence Intervals Also Indicates a Significant

question 27

Multiple Choice

Which of the following confidence intervals also indicates a significant difference between treatments with α = .05?

• A)Estimate that μ₁ - μ₂ is in an interval between 2 and 10 with 90% confidence.
• B)Estimate that μ₁ - μ₂ is in an interval between -2 and 8 with 90% confidence.
• C)Estimate that μ₁ - μ₂ is in an interval between 2 and 10 with 95% confidence.
• D)Estimate that μ₁ - μ₂ is in an interval between -2 and 8 with 95% confidence.

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