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STATISTICS

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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

  • STATISTICS -

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

    Increased variability

  • STATISTICS -

    Increasing the variability of the outcome.

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