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Posted by on Saturday, November 28, 2009 at 10:58am.

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 - , Saturday, November 28, 2009 at 11:35am

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

  • Math - , Sunday, September 28, 2014 at 3:44pm

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

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