In actual practice, the usual reason for determining power before conducting a study is
A) to eliminate the possibility that a mistake may occur.
B) to ensure that regardless of whether the research hypothesis is true, the experiment will yield a significant result.
C) to determine the number of participants needed to have a reasonable level of power.
D) to anticipate the likelihood that the experiment will need to be repeated.
Question 2
If two distributions have the same mean, then they must also have the same
a. median
b. mode
c. standard deviation
d. none of these
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