When Computing a Confidence Interval for the Difference Between Two $\alpha$

Multiple Choice

When computing a confidence interval for the difference between two means,the width of the (1 - $\alpha$ ) confidence interval based on Tukey's procedure will be __________ the width of the (1 - $\alpha$ ) individual confidence interval based on t statistic.

A) Greater than
B) Less than
C) Same as
D) Sometimes greater than sometimes less than