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January 31, 2015

January 31, 2015

Posted by **brenduh** on Sunday, March 22, 2009 at 2:09am.

- college statistics -
**bobpursley**, Sunday, March 22, 2009 at 5:38amHmmm. Area? or do you mean the probability? The area under a probability density function is area, so you have a probabliity density x deviation which equals probability. The entire area is 1.00 under the function.

See this applet:http://psych.colorado.edu/~mcclella/java/normal/accurateNormal.html

- college statistics -
**PsyDAG**, Sunday, March 22, 2009 at 11:19amThe area under the curve indicates the probability. Use the Z-score to determine area.

Z = (x - μ )/SD, where x = score, μ = mean, and SD = standard deviation.

Use table in your statistics text called "areas under normal distribution" or the source indicated by**bobpursley**to get the area from the Z-score.

I hope this helps a little more. Thanks for asking.

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