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September 22, 2014

Homework Help: Statistics

Posted by MJ on Monday, March 12, 2012 at 5:15pm.

The distribution of scores on a test is mound-shaped and symmetric with a mean score of 78. If 68% of the scores fall between 72 and 84, which of the following is most likely to be the standard deviation of the distribution? 3, 1, 4, 6?

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