Cambridge · O Level · Syllabus 4040
Statistics
7 topics7 with notes
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Form 3 3 topics
- Collecting data and sampling Qualitative (categorical) and quantitative (discrete and continuous); primary and secondary data.
- Presentation of data Frequency tables, grouped frequency tables, class boundaries, class widths and two-way tables.
- Measures of average and dispersion Mean, median and mode for ungrouped and grouped data (estimated mean using mid-points; median by interpolation or cumulative frequency; modal class). Choosing an appropriate average; effect of extreme values.
Form 4 1 topicsExam year
Form 3 1 topics
Form 4 2 topicsExam year
- Time series and moving averages Data recorded at intervals over time (monthly sales, quarterly rainfall); plotting time series graphs; identifying trend, seasonal variation and random fluctuations.
- Bivariate data, scatter diagrams and lines of best fit Plotting paired data; positive, negative and no correlation; strong and weak correlation; outliers; correlation does not imply causation.