SKILL

Data Visualization

Build charts and visuals that communicate insight

Beginner

Basic chart types in Sheets or Excel

Intermediate

Multiple chart types, formatting, best practices

Advanced

Interactive dashboards, design principles, storytelling

Practice task

From one monthly sales dataset: build 3 different charts (trend line, breakdown bar, distribution) in Google Sheets or Tableau Public, each with a title, units, and a one-line finding

Pass test

Pass test: show the 3 charts to 1 person with no spoken explanation. You pass if they can name the data type and the main finding within 30 seconds, every chart has a title and units, and you can name 1 chart you dropped and why.

Portfolio evidence

Chart with title, labels, insight callout

Common mistake

Cluttered charts and misleading axis scaling

USED IN THESE ROLES

Data Analyst Product Analyst

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