Many Computer Programs Provide Two Sets of Results for the T

Multiple Choice

Many computer programs provide two sets of results for the t test for independent means. The standard method assumes that the population variances are __________ ; an alternative procedure takes into account that the population variances may be __________.

A) negatively skewed; positively skewed
B) skewed; normally distributed
C) equal; unequal
D) divisible by one another; highly skewed