Attribute chart: u chart is the control chart for defects per unit. It is used to monitor the count type of data where the sample size is>1.
Attribute chart: np chart is generally used to monitor the number of non-conforming or defective items in the measurement process.
Attribute Charts: p Chart is generally used to analyze the proportions of defective or non-confirming items in a process.
Critical to Safety requirements are based on the safety of customers. This includes safety standards & workplace health and safety rules.
Critical to Delivery requirements revolve around delivering a product successfully to a customer. When a customer makes an order, there are several expectations they might have around the delivery of it: