Each chapter in the Practice Workbook leaves two problems open for you to solve before checking your reasoning. Use the links below only after attempting the problems. Each solution page restates the prompt, provides a worked answer, and links back to the chapter companion.
The chapter companion pages carry further reading, self-check quizzes, and hands-on activities. This page carries the workbook's answer key.
Chapter solutions
Chapter 1 — Why Principles First
Plausible-looking failures and the highest-leverage review question.
Open Chapter 1 solutions →Chapter 4 — Chart Selection
Family-before-type choices for churn and promotion lift.
Open Chapter 4 solutions →Chapter 6 — Accessibility
Redundant status encoding and diverging palettes.
Open Chapter 6 solutions →Chapter 7 — Author to Director
Blind-spot prediction and role-shift self-audit.
Open Chapter 7 solutions →Chapter 8 — CSAR
Pricing-change direction and failure-triage retrospectives.
Open Chapter 8 solutions →Chapter 9 — Report Generation
Reconciliation gaps and upstream Crystallize resets.
Open Chapter 9 solutions →Chapter 10 — AI Visuals
Smart Narrative risk and reproducible Decomposition Trees.
Open Chapter 10 solutions →Chapter 11 — Prep for AI
Confirmation turns and questions the model cannot answer.
Open Chapter 11 solutions →Chapter 12 — Dashboard Design
Operational exceptions and blurred-thumbnail recovery.
Open Chapter 12 solutions →Chapter 13 — When AI Misleads
Reviewer disagreement and the discard decision.
Open Chapter 13 solutions →Chapter 14 — Responsible AI
Disclosure objections and verification-tier escalation.
Open Chapter 14 solutions →Appendix F practice
The Statistics Claim Check carries the six boundary checks, the synthetic Excel workbook, and a worked claim-check activity.