Posted by Lyndse on Sunday, February 21, 2010 at 12:21pm.
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?

Math  Lyndse, Sunday, February 21, 2010 at 12:52pm
I don't see any drawbacks

Math  Mary Ann, Thursday, October 1, 2015 at 12:23pm
The standard deviation includes Outliers like "100", and may give a false picture of the data.
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