What is the first step when calculating the median or quartiles from raw data?
Add the values to find the total of the data set.
Subtract the smallest value from the largest value.
Put the values in order (smallest to largest).
Group the values into equal intervals of the same width.
Flashcards for CIE IGCSE Maths Data, covering the key terms, formulae and methods you need to recall for Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended). 22 cards, matched to the CIE IGCSE Maths (0580) specification.