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Question

Look back at the previous exercise. We could instead use the Tukey method to construct multiple comparison confidence intervals. The Tukey confidence intervals having overall confidence level 95% have margins of error of 5.7, compared to 4.7 for the separate 95% confidence intervals in the previous exercise.

Why are the margins of error larger than with the separate 95% intervals?

Solution

VerifiedAnswered 1 year ago

Answered 1 year ago

Step 1

1 of 3Given:

- Margin of error of individual Tukey confidence intervals: 5.7
- Margin of error for confidence intervals in previous exercise: 4.7

We need to explain why the margin of error for the Tukey confidence intervals is larger than the separate 95% confidence intervals.

The Tukey confidence intervals have an overall confidence level of 95%.

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