CSEC Mathematics · May/June 2005 · Paper 2 · Question 7(b)(iii)
Use your graph to estimate the height that 25% of the applicants are less than.
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Practise this questionOther parts of this question
- 7(a)Using a horizontal scale of 2 cm to represent a height of 5 cm and a vertical scale of 2 cm to represent 50 applicants, draw a cumulative frequency curve of…[5 marks]
- 7(b)(i)Use your graph to estimate the number of applicants whose heights are less than 170 cm.[1 mark]
- 7(b)(ii)Use your graph to estimate the median height of applicants.[2 marks]
- 7(b)(iv)Use your graph to estimate the probability that an applicant selected at random has a height that is no more than 162 cm.[2 marks]
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