What is the first step when calculating the median or quartiles from raw data?
Subtract the smallest value from the largest value.
Add the values to find the total of the data set.
Put the values in order (smallest to largest).
Group the values into equal intervals of the same width.
Flashcards for Edexcel IGCSE Maths Data, covering the key terms, formulae and methods you need to recall for Paper 1 and Paper 2. 22 cards, matched to the Edexcel IGCSE Maths (4MA1) specification.