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

Tags

Tag: DPMO

Related Tags

Tag Name #
test statistic 156
Z-Score 149
T score 139
1.5 Sigma Shift 138
Process Sigma 133
ZScore 2.8 125
7.75 115
30 86
+ 77

Pages

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

What's a Z-Score and Why Use it in Usability Testing? ( 147 )
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.

Questions

The following questions have the tag DPMO associated with them. The number of users that have also tagged the question ' DPMO ' is in parenthesis.

Ran parts and found 1% defective(1 out of 100). Made a change to the process and want to rerun parts. . . ( 5 )

why use 6sigma instead of 5 or 4sigma in calculating process capability. . . ( 5 )

In order to calculate dpmo, why do you need multiply 1 million?. . . ( 4 )

How do you calculate a Z-score with a two-sided specification limit? What is the DPMO?
I have a. . .
( 5 )