The effect size computed for the t test is equivalent to ____________.
a. the Pearson r
b. the phi coefficient
c. the Spearman rho
d. the point-biserial correlation
Question 2
Which of the following measures represents the noise component in the t test?
a. the population variance
b. the population standard deviation
c. the unbiased estimator of the population variance
d. the unbiased estimator of the population standard deviation