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Averages

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Question 74

Here is a list of numbers.

13 18 16 21 10 13 21

a.

Find the range

[1]
b.

Calculate the mean

[2]
c.

Andrew says, "The median is the middle number, so the median is 21."

Andrew is incorrect, explain why.

[1]
Markscheme

Averages Questions

  1. GCSE
  2. /Maths
  3. /Averages

201 exam-style questions on OCR GCSE Maths Averages. Each one has a worked solution and a mark scheme showing where the marks go.

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