In order to find the t-obtained for an independent t-test, which step is not required?
a. Set up the sampling distribution
b. Compute the pooled variance
c. Compute the standard error of the difference
d. Determine the means of your groups
Question 2
By convention, the mean of the sampling distribution equals
a. 0.
b. the mean of the sample.
c. 1
d. -1.