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31st July 2026

5 questions · Higher tier · 360 questions in this band

  1. 1
    The General Addition Law

    P(A) = 0.55 and P(B) = 0.4. Events A and B are mutually exclusive. Find P(A or B).

  2. 2
    Mean Median Mode and Range

    Find the mode of 5, 6, 5, 8, 6, 6, 9.

  3. 3
    The Statistical Enquiry Cycle

    Name the first stage of the statistical enquiry cycle.

  4. 4
    Averages from a Frequency Table

    Using the same table (0:4, 1:10, 2:4, 3:2), find the range.

  5. 5
    Types of Data

    A student uses last year's census results for her project instead of running her own survey. Is this primary or secondary data?

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