Guided, difficulty 1 of 3
Five-number summary
Nine patients waited the following number of minutes in an emergency department triage queue:
24, 57, 13, 11, 38, 19, 54, 28, 36
Give the five-number summary (quartiles by the type 7 method).
Practice
Practise until it sticks
Choose a topic, a skill or a difficulty. Calculation exercises have new versions with fresh numbers once you have solved them, so you can practise the method rather than memorise an answer.
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