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Math

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What effect will an outlier have on a confidence interval that is based on a small sample size?
A) The interval will be smaller than an interval without the outlier.
B) The interval will be the same with or without the outlier.
C) The confidence interval will be wider than an interval without the outlier.
D) The interval will reveal exclusionary data.

  • Math - ,

    C.I. for mu = x +/- z*sigma.
    Look at c.

  • Math - ,

    What effect will an outlier have on a confidence interval that is based on a small sample size?

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