KS3Practice Questions

Statistics

Questions grouped by subtopic. Use each block to reveal solutions.

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Averages

  1. S-Q12 marks
    A frequency table has values 2, 4, 6 with frequencies 1, 2, 1. Find the mean.
  2. S-Q21 mark
    Find the median of 3, 5, 7, 9, 11.
  3. S-Q31 mark
    Find the mode of 2, 3, 3, 4, 5.
  4. S-Q51 mark
    The times in minutes are 10, 12, 14, 16. Find the mean.

Range

  1. S-Q41 mark
    Find the range of 2, 6, 9, and 12.

Tables and graphs

  1. S-Q62 marks
    A frequency table has values 5, 10, 15 with frequencies 1, 2, 1. Find the mean.

Scatter graphs

  1. S-Q71 mark
    A scatter graph shows points rising from left to right. Describe the correlation.
  2. S-Q82 marks
    A line of best fit passes through (0, 2) and (10, 12). Estimate 𝑦 when 𝑥 = 5.