Most charts today also will allow you to
see the specification limits vs. how the actual data is plotted. Chart
scale should be in units if sigma, (standard
deviation), based in the sample data
collected using a systematic sampling
plan and percentage for each bar.
Our software's distribution control chart
lays out the scale in units of sigma
to allow you to perceive the Z value and draws a bell shaped curve around
the specification and the data to allow a visual representation of the
process shift. ZeroRejects
features page has much more on how our distribution chart looks. It makes
doing statistical process control charts easy. And at only $150.00, (USD),
our software can get you going quickly.
