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