A regression line is based on temperatures between 5 ∘C5\,^{\circ}\mathrm C5∘C and 22 ∘C22\,^{\circ}\mathrm C22∘C.
Compare the likely reliability of predictions at 18 ∘C18\,^{\circ}\mathrm C18∘C and 35 ∘C35\,^{\circ}\mathrm C35∘C.
278 exam-style questions on CCEA A Level Maths 2.5 Data presentation and interpretation, covering 2.5.1 Data presentation and interpretation, 2.5.2 Data presentation and interpretation, 2.5.3 Data presentation and interpretation, 2.5.4 Data presentation and interpretation, 2.5.5 Data presentation and interpretation, 2.5.6 Data presentation and interpretation, 2.5.7 Data presentation and interpretation, 2.5.8 Data presentation and interpretation, 2.5.9 Data presentation and interpretation, and 2.5 Data presentation and interpretation. Each one has a worked solution and a mark scheme showing where the marks go.