Frequency Tables — Finding Averages (AQA GCSE Maths): Flashcards

How many

Organises data showing how many items fall into each category

Category with highest frequency count

Find largest number in frequency column

Highest value minus lowest value from first column

First column only (extreme values)

Value $imes$ frequency for each row

$\frac{\text{Total of column 3}}{\text{Total of column 2}}$

$\frac{n+1}{2}$

Count through frequency column until reaching that position