Asked by Susie

Which of the following would increase the width of a confidence interval?

Changing from a 99% to 95% confidence level.
Increasing the variability of the outcome.
Increasing the sample size.
Removing an outlier from the data

Answers

Answered by PsyDAG
If you don't know the right alternative, possibly you could find it by eliminating the false alternatives.

Increased variability
Answered by smoothjive
Increasing the variability of the outcome.
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