Quelpr
5 marksSources of Data

CAPE Applied Mathematics Unit 1 · 2017 · Paper 2 · Question 1(f)

State the sampling method to be used in EACH of the approaches to select a sample of 50 students from a school with a roll of 420 students distributed over 14 classes: • Select a sample of 10 classes out of the 14 classes in the school, and then take a sample of 5 students from each class. • Take a random sample of students from each class proportionate to the number of students in the class. • Choose every 25th name on the school roll. • Stand at the school gate and choose the first 50 students coming into the school. • Put the names of all the students in a box and then randomly select 50 names from the box.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 1(a)Match the phrases or statements in Column A to the phrases in Column B by writing the number from Column A in Column C.[5 marks]
  2. 1(b)State THREE reasons why it may be necessary to take a sample when carrying out research.[3 marks]
  3. 1(c)Determine whether EACH of the following refers to a sample or to a population: • A group of 25 persons selected to test a new drug • The total number of books…[2 marks]
  4. 1(d)State which of the following represents discrete data and which represents continuous data: • Number of persons in a household • Speed of a car in kilometres…[3 marks]
  5. 1(e)(i)Using a stratified random sample, calculate the number of workers from EACH group that will be in the sample.[5 marks]
  6. 1(e)(ii)What is the advantage of using stratified random sampling to select persons rather than simple random sampling?[2 marks]

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