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

Question

Quizplus · Accepted Answer

The Tukey procedure is a more conservative approach to computing confidence intervals as it takes into account the possibility of multiple comparisons. Therefore, the width of the confidence interval based on the Tukey procedure will be greater than the width of the individual confidence interval based on the t statistic.

When Computing a Confidence Interval for the Difference Between Two