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Cambridge O Level Statistics

Syllabus 4040 · 2025-2027 · sourced from Cambridge Assessment International Education — official syllabus PDF, verified 2026-08-21.

  1. 1. Data and its collection

    • 1.1 General ideas of sampling
    • 1.2 Types of sampling
    • 1.3 Bias: how it arises and is avoided
    • 1.4 General ideas of surveys
    • 1.5 Types of data and variable

  2. 2. Summary representation of data

    • 2.1 Classification and representation in tabular form
    • 2.2 Representation in pictorial or diagrammatic form
    • 2.3 The purpose and use of various forms of representation, their advantages and disadvantages
    • 2.4 Interpretation of data presented in tabular, pictorial or diagrammatic form

  3. 3. Formation of data into ungrouped or grouped frequency distributions

    • 3.1 Class measures for grouped frequency distributions
    • 3.2 Representation in frequency polygons and histograms

  4. 4. Formation of frequency distributions into cumulative frequency distributions

    • 4.1 Representation in tabular form
    • 4.2 Representation in graphical form

  5. 5. Statistical measures, their interpretation and appropriate use

    • 5.1 Measures of central tendency: mean, median, mode and modal class
    • 5.2 Measures of dispersion: range, interquartile range, variance and standard deviation
    • 5.3 Quartiles and percentiles
    • 5.4 Measures for combined sets of data

  6. 6. Transformations involving mean and standard deviation

    • 6.1 Effect on mean and standard deviation of adding a constant to each observation and of multiplying each observation by a constant
    • 6.2 Linear transformation of data to a given mean and standard deviation

  7. 7. Crude and standardised rates, and their appropriate use

    Subtopics for this topic are not listed here yet; check the official document for the full content.

  8. 8. Index numbers

    Subtopics for this topic are not listed here yet; check the official document for the full content.

  9. 9. Bivariate distributions and their representation by scatter diagrams

    • 9.1 Elementary ideas of correlation
    • 9.2 Lines of best fit

  10. 10. Time series

    • 10.1 Understanding of trend
    • 10.2 Understanding of seasonal variation

  11. 11. Elementary ideas of probability

    Subtopics for this topic are not listed here yet; check the official document for the full content.

  12. 12. Probability distributions

    • 12.1 Formation of the probability distribution of a discrete variable
    • 12.2 Expectation