In industrial statistics, the p-chart is a type of control chart that monitors the proportion of nonconforming units in a sample. The appropriate data for p-charts are attribute data (conform or non-conform, yes or no, etc.). The subgroup size should ideally be equal, although unequal sample sizes can be accommodated. p-chart # The "p" comes from use of the proportion of nonconforming items # Need a good definition of nonconforming items - usually a categorical definition # Can be of equal or unequal subgroups # Normally need large subgroups - can even be up to total for the period
Product Plant Process Programmes People
David P. Steiner is the CEO of Waste Management.
- purpose - point of entry - process - project management - participation
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P- planningO- organizingS- staffingD- directingCON- controlling
Product Plant Process Programmes People
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The difference between P charts and X and R charts can be explained. P charts calculate the amount of defaults in each group of manufactured materials. X and R charts are bar charts that measure defects at a certain defined point in a manufacturing process.
M. P. Carter has written: 'A survey of modelling carried out by Operational Research Society members' -- subject(s): Operational Research Society
A P. Peat has written: 'Cost reduction charts for designers and production engineers'
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By late 1944 the P-51 D had an operational range of about 1,000 miles.
Terence P. Labrecque has written: 'The 'operational code' belief system of Hua Guofeng'
S P Jain School of Global Management was created in 2004.
P. L. Martin has written: 'M-c psychometric charts for a range of barometric pressures'
David P. Steiner is the CEO of Waste Management.
Marj P. Leaming has written: 'Administrative office management' -- subject(s): Office management