Working with zscores and Normal ProbabilitiesThis applet converts between raw scores and zscores with a display of various areas of probability.

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HowTo: Use this graph to calculate zscores and to see the corresponding probabilities. Any number can be changed, but the change will not be effective until you press the return key while in one of the boxes. You may also change the portion of the normal distribution selected:


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The above applet is from the section "Working with the Normal Distribution" in Seeing Statistics by Gary McClelland. For more information, visit Seeing Statistics
© 1999, Duxbury Press