Exam Questions and mark scheme on Time Series for Edexcel GCSE (9-1) Statistics.
All questions are from the Edexcel GCSE Statistics new specification and include both higher and foundation questions covering trend lines, moving averages, seasonal variations and predicted values.
Foundation Qs - Q1 ,Q2, Q3, Q4, Q6
Higher Qs - Q5, Q7 , Q8, Q9, Q10, Q11
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