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April 21, 2015

Homework Help: stats

Posted by Nina on Thursday, September 17, 2009 at 6:34pm.

3. For a particular sample of 50 scores on a psychology exam, the following results were obtained.

Mean = 78 Mode = 84 Median = 80 Standard deviation = 11

1. What score was earned by more students than any other score? Why?
2. What is the variance?

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