Examlex
The decrease in the amount of time available for physical play at school has only affected children's academic performance.
Fixed Sample Size
A specific number of observations or data points that are predetermined before conducting an experiment or study.
Data
Information collected in numerical form for analysis or used to make decisions, often gathered from observations, experiments, or surveys.
R-chart
R-chart is a type of control chart used to monitor the range of variation within a process based on sample measurements.
Control Limits
Boundaries in control charts within which a process statistic is considered to be in control and outside of which it is deemed out of control.
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