A Researcher Is Estimating the Average Difference Between Two Population

question 87

Multiple Choice

A researcher is estimating the average difference between two population means based on matched?pairs samples.She gathers data on each pair in the study resulting in: Assume that the data are normally distributed in the population. A 95% confidence interval would be _______.

• A) -3.02 to -0.18
• B) -1.6 to -1.09
• C) -2.11 to 1.09
• D) -2.11 to -1.09
• E) -3.23 to 2.23

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Other Accounts Column

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