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Q13: Question – Paper 3– June 2017
Q13: Question – Paper 3– June 2017
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Question
13)
In a class of 28 students
Work out the mean height of the girls.
In a class of 28 students
- the mean height of the 12 boys is 1.58 metres
- the mean height of all 28 students is 1.52 metres.
Work out the mean height of the girls.
[4 marks]