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October 21, 2014

October 21, 2014

Posted by **Noelle** on Wednesday, November 9, 2011 at 3:25pm.

(a) What percent of students earned a score between 50% and 70%?

( /2)

- statistics-math -
**PsyDAG**, Thursday, November 10, 2011 at 12:21pmZ = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to Z score. Change to percentage.

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