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1 markData Analysis

CAPE Applied Mathematics Unit 1 · 2009 · Paper 2 · Question 2(a)(i)

Select the best diagram (bar chart, histogram, pie chart) to illustrate various data.

State the kind of diagram which could be used to BEST illustrate the heights of 100 pea trees.

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Other parts of this question

  1. 2(a)(ii)State the kind of diagram which could be used to BEST illustrate the number of cars sold by each of 4 salesmen of a dealership in a week.[1 mark]
  2. 2(a)(iii)State the kind of diagram which could be used to BEST illustrate the percentage of sales made by 6 sales clerks in a business.[1 mark]
  3. 2(b)(i)Construct a frequency distribution table to show the data.[3 marks]
  4. 2(b)(ii)Using the graph sheet provided, draw a bar chart to show this information.[3 marks]
  5. 2(c)(i)Explain why a stratified random sample might be a better technique for choosing the 25 persons than using a simple random sample.[2 marks]
  6. 2(c)(ii)Use the method of stratified random sampling to select 25 employees to send to the new supermarket.[4 marks]

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