A Researcher Administers a Treatment to a Sample of Participants

Multiple Choice

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

A) a sample mean near 80 with α = .05
B) a sample mean near 80 with α = .01
C) a sample mean much different than 80 with α = .05
D) a sample mean much different than 80 with α = .01