Tags
Tag: 1.5 Sigma Shift
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Pages
The following pages have the tag 1.5 Sigma Shift associated with them. The number of users that have also tagged the page ' 1.5 Sigma Shift ' is in parenthesis.What's a Z-Score and Why Use it in Usability Testing? ( 138 )
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.
What's the 1.5σ Shift and Does it Apply to Software Usability? ( 98 )
Conventional six sigma commonly adds a 1.5 sigma buffer to account for the shifting of a process over time. Does this make sense for software usability?
Questions
The following questions have the tag 1.5 Sigma Shift associated with them. The number of users that have also tagged the question ' 1.5 Sigma Shift ' is in parenthesis.If last six month average defect rate is 5% then what will be the process Zst score? . . . ( 6 )
Can you please explain the 1.5 sigma shift they use in determining process sigma?. . . ( 3 )
What is the difference between a Z-Scores and Process Sigma?. . . ( 5 )