Question Distribution by Unit (matches College Board weighting)
Unit 1 — Exploring One-Variable Data8
Unit 2 — Exploring Two-Variable Data3
Unit 3 — Collecting Data5
Unit 4 — Probability & Random Variables6
Unit 5 — Sampling Distributions4
Unit 6 — Inference for Proportions6
Unit 7 — Inference for Means6
Unit 8 — Chi-Square Inference1
Unit 9 — Inference for Slopes1