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March 30, 2015

March 30, 2015

Posted by **Nick** on Monday, December 31, 2012 at 11:17am.

- HELP PLZ MATH -
**Writeacher**, Monday, December 31, 2012 at 12:17pmYou will need to "compute the values" yourself, but I see one thing to include in your comments: Both $75 and $100 are within the "standard deviation of $22." What do you think that means?

- HELP PLZ MATH -
**PsyDAG**, Monday, December 31, 2012 at 12:31pmZ = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z scores.

Then you can comment.

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