If the Z Statistic Is Incorrectly Used in Lieu of the T

question 104

Multiple Choice

If the z statistic is incorrectly used in lieu of the t statistic when comparing two population means based on independent,small random samples from two normally distributed populations with unknown variances,then the probability of rejecting the null hypothesis __________.

• A)increases.
• B)decreases
• C)remains the same.
• D)is 1.
• E)is 0.