Quelpr
4 marksSources of Data

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

A store's credit department randomly selects 10 out of 65 accounts with balances under $50.00 to be cleared as bad debts.

Explain how a sample of 10 accounts can be selected using the method of random numbers.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 1(a)(i)State TWO variables that are qualitative.[2 marks]
  2. 1(a)(ii)State TWO variables that are quantitative.[2 marks]
  3. 1(a)(iii)State ONE variable that is discrete.[1 mark]
  4. 1(a)(iv)State ONE variable that is continuous.[1 mark]
  5. 1(b)(ii)Select a random sample of size 10 without replacement from numbers 01 to 65 inclusive using Table 4: Random Sampling Numbers, starting at the third row from…[3 marks]
  6. 1(c)(i)(a)Define the term 'population'.[1 mark]
  7. 1(c)(i)(b)Define the term 'sample'.[2 marks]
  8. 1(c)(ii)State the population of interest in this survey.[1 mark]
  9. 1(c)(iii)What sampling technique was used by the researcher?[1 mark]
  10. 1(c)(iv)Of the 500 students in the school, 90 were fourth year students. Determine the number of fourth year students that will be in the sample of 50.[4 marks]
  11. 1(c)(v)In the sample of 50 students, 10 listed poor canteen service, 15 smelly bathrooms, 8 drug use, 6 too much homework, and 11 other concerns. Determine the angle…[3 marks]

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