If the researcher suspects that the strength of the relationship between two variables in the population is .40,as indexed by the correlation coefficient squared,what sample size should she use in a study involving an alpha level of .05,directional test,in order to achieve a power of .80?
A)13
B)16
C)20
D)23

Question

Quizplus · Accepted Answer

The Answer of If the researcher suspects that the strength of the relationship between two variables in the population is .40,as indexed by the correlation coefficient squared,what sample size should she use in a study involving an alpha level of .05,directional test,in order to achieve a power of .80?
A)13
B)16
C)20
D)23

If the Researcher Suspects That the Strength of the Relationship