Book Image

The Professional Scrum Master (PSM I) Guide

By : Fred Heath
Book Image

The Professional Scrum Master (PSM I) Guide

By: Fred Heath

Overview of this book

Ever wondered why you’d use Scrum over other process frameworks? Or what makes Agile just so agile? Or why you should bother with the PSM certification? This book has you covered. The Professional Scrum Master (PSM I) Guide is a comprehensive tutorial that will not only introduce you to the basics of Scrum, but build you up to be ready to pass your PSM I exam first time round. Where other books avoid detail, this guide provides you with detailed practical examples to take you from being an apprentice to becoming a master. Assuming you’re a total beginner, this book will introduce you to Scrum methodologies with detailed use cases, teaching you the secrets of Scrum in such a way that you’ll be well-equipped for the PSM I exam. This book demonstrates the real-world applications of Scrum in a variety of scenarios, all with practical examples. You’ll understand why the structure of your Scrum team matters, what you can achieve with properly planned sprints, and how to create and manage sprint and product backlogs. The chapters are regularly concluded with quizzes relevant to the exam, reinforcing the values you learn on your journey. Finally, it concludes with some exam preparation and myth-dispelling to make sure you have an edge when it comes to earning your certificate. This is a guide that’ll ensure you won’t fall behind in an ever increasingly agile world.
Table of Contents (15 chapters)
Section 1: The Scrum Framework
Section 2: Scrum in Action
Section 3: The PSM Certification

Chapter 6 – Planning and Estimating with Scrum


  1. The correct answer is c.

    Story points are used to indicate relative size and complexity. They do not denote time units. It is impossible to know whether an item is feasible to be completed within a Sprint, based on its story points, unless we know the estimation scale and baseline.

  2. The correct answers are a, c, and d.

    Having fixed dates in the product roadmap goes against Agile and Scrum principles of constant inspection and adaptation versus following a set plan.

  3. The correct answer is c.

    Estimating methods such as planning poker rely on developers reaching consensus by providing individual estimates and then discussing the motivations behind the estimates until agreement is reached on a single estimate value.

  4. The correct answer is c.

    Velocity is subjective to a specific team and product. It is not a comparative measurement.

  5. The correct answer is b.

    Burn-up charts let us visualize progress over time....