Statistics
posted by Lyndyc on .
Which of the following will increase the power of a statistical test?
a. Change ƒÑ from .05 to .01.
b. Change from a onetailed test to a twotailed test.
c. Change the sample size from n = 100 to n = 25.
d. None of the other options will increase power.

Choose d.
None of the other choices are correct.
Choice a: should read change alpha from .01 to .05.
Choice b: should read change from a twotailed test to a onetailed test.
Choice c: should read change sample size n = 25 to n = 100.