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A map of knowledge

Research library.

Choose a concept. Read the definition, explore an example and test your understanding.

5 concepts

Data literacy2 min read

Percent / percentage point

Two different ways to describe a change.

Data literacy3 min read

Mean and median

Two ways to describe a typical value.

Data literacy2 min read

Quantitative data

Amounts obtained by counting or measuring.

Data literacy2 min read

Categorical data

Describe observations using meaningful groups.

Data literacy2 min read

Missing data

Distinguish absent values from meaningful answers.