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1 markSources of Data

CAPE Applied Mathematics Unit 1 · 2010 · Paper 2 · Question 1(d)(iv)

A sample of 50 students is to be collected from a school with 420 students distributed over 14 classes. State the sampling technique used in each scenario.

Stand at the school gate and choose the first 50 students that come into the school.

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Other parts of this question

  1. 1(a)(i)State the letters of TWO variables which are qualitative.[2 marks]
  2. 1(a)(ii)State the letters of TWO variables which are quantitative.[2 marks]
  3. 1(a)(iii)State the letter of ONE discrete variable.[1 mark]
  4. 1(a)(iv)State the letter of ONE continuous variable.[1 mark]
  5. 1(b)(i)State the value of a parameter.[1 mark]
  6. 1(b)(ii)State the value of a statistic.[1 mark]
  7. 1(c)(i)Indicate whether a group of 50 persons selected to test a new milk drink refers to a population or a sample.[1 mark]
  8. 1(c)(ii)Indicate whether the total number of cars sold by a car dealership in the last year refers to a population or a sample.[1 mark]
  9. 1(d)(i)Select a sample of 10 classes out of 14, and then take a sample of 5 students from each class.[1 mark]
  10. 1(d)(ii)Take a random sample of students from each class proportionate to the number of students in the school.[1 mark]
  11. 1(d)(iii)Use the school roll and choose every 25th name on the school roll.[1 mark]
  12. 1(d)(v)Put the names of all students in a box and randomly select 50 names from the box.[1 mark]
  13. 1(e)(i)State the boundaries of the third class.[2 marks]
  14. 1(e)(ii)Calculate the width of the fifth class.[2 marks]
  15. 1(e)(iii)Calculate the frequency density of the second class.[2 marks]
  16. 1(e)(iv)Estimate the number of children who took more than 60 minutes to complete the assignment.[3 marks]
  17. 1(e)(v)State a disadvantage of presenting data in this grouped frequency table format.[1 mark]

More practice: the rest of this paper · more Sources of Data questions · all CAPE Applied Mathematics Unit 1 past papers