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Exam-style practice

Time series answer explanations

Review worked answers and explanations for Time series. Aligned to Cambridge IGCSE Statistics.

Answer explanations

Question 1 of 12

Review the answer support, then move sideways through the set.

Paper 1 structured question: Time series

Paper 1Statistical Techniques4 marks

Data Table

Monthly Product Sales

Number of products sold each month

MonthProducts Sold
January50
February65
March70
April60
May75
June80
  1. a

    Plot Plot the data on a time series graph with months on the x-axis and products sold on the y-axis.

    [4]