Home · Unit 3 · Topic 1 · Identifying and describing associations between two numerical variables

Identifying and describing associations between two numerical variables

Describe an association between two numerical variables in terms of direction (positive/negative), form (linear/non-linear) and strength (strong/moderate/weak).

gm-u3-t1-s2-d3

Interactive

Direction, form, and strength

manipulative

Read a scatterplot — and reshape the cloud — for direction, form, and strength of association.

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Already have one and want another angle on this point? Describe what students should notice. Requests are read and acted on.