CAPE Applied Mathematics Unit 1 · 2009 · Paper 2
19 questions and parts from this paper. Open one to see it in full, then practise it on Quelpr and get it marked against the mark scheme.
- 1(a)(i)2 marksState TWO variables that are qualitative.
- 1(a)(ii)2 marksState TWO variables that are quantitative.
- 1(a)(iii)1 markState ONE variable that is discrete.
- 1(a)(iv)1 markState ONE variable that is continuous.
- 1(b)(i)4 marksExplain how a sample of 10 accounts can be selected using the method of random numbers.
- 1(b)(ii)3 marksSelect 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 the top and fourth column with 44 and working across the row…
- 1(c)(i)(a)1 markDefine the term 'population'.
- 1(c)(i)(b)2 marksDefine the term 'sample'.
- 1(c)(ii)1 markState the population of interest in this survey.
- 1(c)(iii)1 markWhat sampling technique was used by the researcher?
- 1(c)(iv)4 marksOf 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.
- 1(c)(v)3 marksIn 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 for EACH response category for a pie chart.
- 2(a)(i)1 markState the kind of diagram which could be used to BEST illustrate the heights of 100 pea trees.
- 2(a)(ii)1 markState 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.
- 2(a)(iii)1 markState the kind of diagram which could be used to BEST illustrate the percentage of sales made by 6 sales clerks in a business.
- 2(b)(i)3 marksConstruct a frequency distribution table to show the data.
- 2(b)(ii)3 marksUsing the graph sheet provided, draw a bar chart to show this information.
- 2(c)(i)2 marksExplain why a stratified random sample might be a better technique for choosing the 25 persons than using a simple random sample.
- 2(c)(ii)4 marksUse the method of stratified random sampling to select 25 employees to send to the new supermarket.