Averages from grouped data (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 modal class in grouped data?
What is the modal class in grouped data?
Class with highest frequency
How do you find the median position?
How do you find the median position?
(n + 1)/2
What does cumulative frequency represent?
What does cumulative frequency represent?
Sum of frequencies up to a class
What is the first step to estimate the median?
What is the first step to estimate the median?
Calculate total frequency
What is the formula for estimating the median?
What is the formula for estimating the median?
L + (1/2n - F)/f * w
What is the modal class if the frequencies are 10, 15, and 5 for intervals 0-5, 5-10, and 10-15?
What is the modal class if the frequencies are 10, 15, and 5 for intervals 0-5, 5-10, and 10-15?
5-10
What is essential for accurately finding the median in a data set?
What is essential for accurately finding the median in a data set?
Ordering the data correctly
What does the width (w) represent?
What does the width (w) represent?
Difference between class boundaries
What is the cumulative frequency for 0-5, 5-10, 10-15 with frequencies 12, 15, 10?
What is the cumulative frequency for 0-5, 5-10, 10-15 with frequencies 12, 15, 10?
12, 27, 37
Why can't you find exact values in grouped data?
Why can't you find exact values in grouped data?
Values are in intervals