Sample medians and sample ranges (AQA GCSE Statistics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the target median in control charts?
What is the target median in control charts?
The ideal production value
What do warning limits indicate?
What do warning limits indicate?
Monitor closely, no action needed
How is the sample range calculated?
How is the sample range calculated?
Difference between highest and lowest
What happens if a sample median exceeds action limits?
What happens if a sample median exceeds action limits?
Stop production immediately
Why might lower limits be absent in range charts?
Why might lower limits be absent in range charts?
Minimal variation isn't a problem
What is the purpose of control charts?
What is the purpose of control charts?
To monitor production quality
What should you do if all ranges are within limits?
What should you do if all ranges are within limits?
Continue normal production
What is the significance of sample medians?
What is the significance of sample medians?
They indicate central tendency
What is the first step in using control charts?
What is the first step in using control charts?
Collect sample data
What does a control chart for medians track?
What does a control chart for medians track?
Middle value of samples