Averages from tables 2 (AQA GCSE Maths): Flashcards
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Frequency table
Frequency table
Shows how often values appear in a dataset
Mode
Mode
Most frequently occurring value
Median
Median
Middle value when data is in order
Mean
Mean
Total of values number of values
Range
Range
Highest value lowest value
How to find mode from frequency table
How to find mode from frequency table
Look for value with highest frequency
Median position ( = total frequency)
Median position ( = total frequency)
Mean from frequency table formula
Mean from frequency table formula
rac{ ext{Total } f imes x}{ ext{Total frequency}}
First step for mean from frequency table
First step for mean from frequency table
Create column
What frequency represents
What frequency represents
The count of how many times each value appears