When computing a confidence interval for the difference between two means,the width of the 100(1 - $\alpha$
)% Tukey simultaneous confidence interval will be __________ the width of the 100(1 - $\alpha$
)% individual confidence interval based on the t distribution.
A)equal to
B)less than
C)greater than
D)Cannot be determined.

Question

Quizplus · Accepted Answer

The width of the 100(1 - α)% Tukey simultaneous confidence interval is greater than the width of the 100(1 - α)% individual confidence interval based on the t distribution because the Tukey method accounts for multiple comparisons, increasing the critical value to maintain the overall confidence level.

When Computing a Confidence Interval for the Difference Between Two α\alphaα

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