Data Science ยท Chapter 38 of 43

Data Storytelling

A great data scientist is a great STORYTELLER. Frame the question, show the evidence, explain the impact.

One clear chart beats a wall of numbers every time.

Example 1 (python)
# Structure: Setup โ†’ Conflict โ†’ Resolution
# Setup: What did we want to know?
# Conflict: What did we find?
# Resolution: What should we do?

Narrative arc.

Example 2 (python)
# Visual rule: one chart, one insight

Keep each visualisation focused.

Key points

  • Frame the question clearly.
  • Show one insight per chart.
  • Explain WHY, not only WHAT.
  • End with a recommendation.
๐Ÿ’ก Note: Your stakeholders will remember one insight and one chart โ€” pick them carefully.

๐Ÿ“ Quick Quiz

1. A good data story:

2. Each chart should show:

3. Storytelling matters because: