Measuring Usability: Ask a Statistics Question

May 22, 2008 | asked by Anonymous :

Question : What does a z value mean?

Answer : A z-value is a standardized value from the normal distribution and is also refered to as a z-score or standard score. See the article What's a Z-score.

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Tag Name	#	Vote
Standard Score	3
Z-Score	3
Z-value	3

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