When Computing a Confidence Interval for the Difference Between Two

Multiple Choice

When computing a confidence interval for the difference between two means,the width of the (1 - α) confidence interval based on the Tukey procedure will be __________ the width of the (1 - α) individual confidence interval based on the t statistic.

A) Greater than
B) Less than
C) The same as
D) Sometimes greater than,sometimes less than