u-chart

GPTKB entity

Statements (14)
Predicate Object
gptkbp:instanceOf control chart
gptkbp:appliesTo variable sample sizes
gptkbp:assumes gptkb:Poisson_distribution
gptkbp:category attribute control chart
gptkbp:developedBy gptkb:Walter_A._Shewhart
gptkbp:graphics average number of nonconformities per unit
https://www.w3.org/2000/01/rdf-schema#label u-chart
gptkbp:monitors number of defects per unit
gptkbp:relatedTo c-chart
gptkbp:used_in statistical process control
gptkbp:usedFor quality control
monitoring count-type data
gptkbp:bfsParent gptkb:Shewhart_chart
gptkbp:bfsLayer 7