Examlex
Which of the following is a technique to improve internal validity?
P-chart
A P-chart is a type of control chart used in statistical quality control to monitor the proportion of defective items in a series of samples and determine whether a process is in control.
Process Output
The final product, result, or service generated by completing a specific process.
R-chart
A type of control chart used to monitor the range within a sample to evaluate the variability of a process.
Control Chart
A graph used in process control to study how a process changes over time, displaying data in time order to detect any signs of significant variation.
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