If we use the standard approach to solve for the necessary sample size so that we have power = .75 in a two-sample t test, the value of N that we will obtain from the tables is
A) the number of subjects we will need in each group.
B) the number of subjects we will need overall.
C) the number of groups we will need to run.
D) the number of subjects that we actually have available.

Question

Quizplus · Accepted Answer

The value of N obtained from tables when solving for the necessary sample size to achieve a specific power (e.g., .75) in a two-sample t-test refers to the number of subjects needed in each group to achieve the desired power level.

If We Use the Standard Approach to Solve for the Necessary