Posted by **Robbie** on Friday, November 9, 2012 at 7:35pm.

A researcher administered a treatment to a sample of participants selected from a population

of 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, alpha level=0.01 and standard deviation=5

b, alpha level=0.05 and standard deviation=5

c, alpha level=0.01 and standard deviation=10

d, alpha level=0.05 and standard deviation=10

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