Unit 6: on 29 of 29 papers, 6–24 marks a paper (14 on average)
Read question by question: blind checks found 112 of 120 question parts tagged with the right topic (95% confidence interval 87.4–96.6%). “needs (a)” names an earlier part the listed parts build on, and “then (c)” a later part that continues from them, so a question can be worked through whole.
Unit 6 · October 2022 · Q3 (a, b, c, d(i), d(ii), d(iii)) · 9 marks — question paper and mark scheme
Unit 6 · June 2022 · Q2 (b(i), b(ii)) · 6 marks, Q4 (a(i), a(ii), a(iii), b(iii)) · 6 marks — question paper and mark scheme
Unit 6 · January 2022 · Q2 (a, e(i)) · 3 marks, Q4 (a, b(i), b(ii), c, d, e(i), e(ii), f, g, h) · 16 marks — question paper and mark scheme
Unit 6 · October 2021 · Q2 (b(ii), c(ii)) · 2 marks, Q4 (a, b, c(i), c(ii), d, e, f(i), f(iii)) · 13 marks · then (f(ii)) — question paper and mark scheme
Unit 6 · June 2021 · Q1 (c) · 3 marks, Q3 (c(i), c(ii), c(iii), c(iv), d(i), d(ii), d(iii), d(iv), d(v)) · 14 marks — question paper and mark scheme
Unit 6 · January 2021 · Q3 (a(i), a(ii), a(iii), b, c(i), c(ii), d(i), d(ii), d(iii), d(iv), e) · 16 marks — question paper and mark scheme
Unit 6 · October 2020 · Q2 (a, b(i)) · 6 marks, Q4 (a, b, c, d, e, f, g) · 13 marks — question paper and mark scheme
Unit 6 · June 2018 · Q4 (b(i), b(ii), b(iii), b(iv), b(v), b(vi)) · 11 marks — question paper and mark scheme
Unit 6 · January 2018 · Q2 (a(iv), b(iii)) · 2 marks · needs (a(i), a(ii), a(iii), b(i), b(ii)) · then (a(v)), Q4 (a, b(i), b(ii), c, d, e) · 12 marks — question paper and mark scheme
Unit 6 · October 2017 · Q2 (b, d(i)) · 3 marks · needs (c(ii)) · then (d(ii)), Q4 (a(i), a(ii), a(iii), a(iv), a(v)) · 11 marks — question paper and mark scheme