Topic explanation

Standard explanation

Standard deviation divided by mean compares relative spread between datasets measured on comparable positive scales.

Key points

• coefficient of variation
• understand the idea
• apply it carefully
• keep the ideas separate
• Coefficient Of Variation: Standard deviation divided by mean compares relative spread between datasets measured on comparable
• WHAT — COEFFICIENT OF VARIATION: Standard deviation divided by mean compares relative spread between datasets measured on comparable
• HOW — Use the idea: Identify what is given, select this topic's rule or evidence, apply it one step at a time, and check
• CORE UNDERSTANDING: Standard deviation divided by mean compares relative spread between datasets measured on comparable

Labelled diagram