Paper 2 · Statistics
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Lesson 5 of 21
Statistics 5 – Scatter Graphs, correlation coefficient, line of best fit
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- Draw a scatter graph from bivariate data, using broken axes where needed
- Draw the line of best fit through the average point (x̄, ȳ) — non-negotiable
- Find the slope of the line of best fit with m = (y₂−y₁)/(x₂−x₁)
- Find r on the calculator and interpret it in context (strong/moderate/weak, ±)
Most recent exam questions
- 2026 P2 Q8(a)
- 2026 P2 Q8(b)(i)
- 2026 P2 Q8(b)(iv)
- 2024 P2 Q1(c)
- 2024 P2 Q9(a)(i) — deferred
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