Estimating the median (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 first step in finding the median from grouped data?
What is the first step in finding the median from grouped data?
Identify the median class interval
How do you find the median position?
How do you find the median position?
Divide total frequency by 2
What does frequency density represent?
What does frequency density represent?
Frequency per class width
Which class interval contains the median?
Which class interval contains the median?
Class with cumulative frequency
What is the formula for frequency density?
What is the formula for frequency density?
Frequency ÷ width
How do you estimate the median value?
How do you estimate the median value?
Add width to lower class boundary
What is the median position for n=50?
What is the median position for n=50?
25
Why is it important to show working?
Why is it important to show working?
To clarify your method
What should you check after calculating the median?
What should you check after calculating the median?
If it lies within the median class
What is the total frequency if classes are 5, 10, 15?
What is the total frequency if classes are 5, 10, 15?
30