The [ ] is the middle value after the data are in [ ].
The median is the middle value after the data are in groups.
The mean is the middle value after the data are in order.
The mode is the middle value after the data are in frequency order.
The median is the middle value after the data are in order.
Flashcards for WJEC GCSE Maths Averages, covering the key formulae, methods and definitions you need to recall for Unit 1, Unit 2 and Unit 3. 20 cards, matched to the WJEC GCSE Maths (3320QD) specification. Recall questions account for roughly 50% of marks at GCSE Maths, so these target the marks you can secure before the paper starts.
