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Roughly speaking, the standard deviation indicates how far, on average, the observations are from the mean. Do you think that for the data set below the standard deviation will give a good indication of the typical deviation from the mean?

2, 3, 4, 4, 5, 5, 6, 6, 100

What drawback of the standard deviation is illustrated by this example?

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2 answers
  1. I don't see any drawbacks

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  2. The standard deviation includes Outliers like "100", and may give a false picture of the data.

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