A Researcher Is Conducting a Matched?pairs Study

question 75

Multiple Choice

A researcher is conducting a matched?pairs study.She gathers data on each pair in the study resulting in: Assume that the data are normally distributed in the population.The sample standard deviation (s_d) of the differences is _______.

• A)1.3
• B)1.14
• C)1.04
• D)1.02
• E)1.47

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