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Measuring Usability Homepage
Quantitative Usability, Statistics & Six Sigma by Jeff Sauro

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Tag: ZScore 2.8

Related Tags

Tag Name #
test statistic 156
Z-Score 149
DPMO 147
T score 139
1.5 Sigma Shift 138
Process Sigma 133
7.75 115
30 86
+ 77

Pages

The following pages have the tag ZScore 2.8 associated with them. The number of users that have also tagged the page ' ZScore 2.8 ' is in parenthesis.

What's a Z-Score and Why Use it in Usability Testing? ( 125 )
This common statistical way of describing data can be used in usability testing to standardize disparate data types to allow easy comparison between products or versions and providing a universal way of assessing quality.

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