A Researcher Administers a Treatment to a Sample of Participants

question 41

Multiple Choice

A researcher administers a treatment to a sample of participants selected from a population with µ = 80.If the researcher obtains a sample mean of M = 88,which combination of factors is most likely to result in rejecting the null hypothesis?

• A)σ = 5 and n = 25
• B)σ = 5 and n = 50
• C)σ = 10 and n = 25
• D)σ = 10 and n = 50

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