GCSE · Averages & range

Averages from a frequency tableExam-style questions

Mean, median, mode and range from a discrete frequency table — why the mean is the sum of the fx column divided by the total FREQUENCY, not by the number of rows, and how to run it backwards to find a missing frequency.

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11 questions · GCSE (Higher) level · mark scheme and worked solution on each · no sign-up to try

DifficultyAll Level 1 Level 2 Level 3 Level 4 Level 5

1
The table shows the number of pets owned by $20$ students.
Pets $0$ $1$ $2$ $3$
Frequency $6$ $9$ $4$ $1$
Write down the modal number of pets.
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