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July 3, 2015

Homework Help: MATH

Posted by Bridget on Tuesday, April 3, 2012 at 10:20pm.

A mean score on a standardized test is 50 with a standard deviation of 10. Answer the following
a. What scores fall between 1 and +1 standard deviation?
b. What percent of all scores fall between 1 and +1 standard deviation?
c. What score falls at +2 standard deviations?
d. What percentage of scores falls between +1 and +2 standard deviations?

IF THERE IS A FORMULA CAN YOU PROVIDE IT.

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