In testing the difference between the means of two normally distributed populations using small independent random samples,the most appropriate test statistic is the _________ statistic.
A)Z
B)t
C)F
D)Chi-square
E)None of the above

Question

Quizplus · Accepted Answer

When the sample sizes are small and the population standard deviations are unknown, the appropriate test statistic is the t-statistic.

In Testing the Difference Between the Means of Two Normally