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Edexcel IGCSEMathematicsGeneral Applications3 Marks

Here are the ages, in years, of 5 teachers: 28, 35, 42, 35, 50. Work out the mean age of these teachers.

(a)Work out the mean age of these teachers.[3]

Mark scheme

Marking points from the official mark scheme. The mark or mark type is shown in brackets.

M1 for (28 + 35 + 42 + 35 + 50) or 190 (condone one error in sum)
M1 for '190' / 5 (ft their sum)
A1 for 38

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About this question

Topic: General Applications, Edexcel IGCSE Mathematics. Structured question, 3 marks.

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