Homework Help: statistics

Posted by xiomara on Friday, September 2, 2011 at 8:19pm.

5. Each year, a national achievement test is administered to 3rd graders. The test has a mean score of 100 and a standard deviation of 15. If Jane's z-score is 1.20, what was her score on the test?

statistics - Mgraph, Friday, September 2, 2011 at 8:27pm
1.2=(score on the test - 100)/15
statistics - Tabina, Thursday, October 4, 2012 at 2:30pm
118

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