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Judging associations

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Short description

The examples presented give students the opportunity to judge the strength of an association from the appearance of scatter plots.

Description

In this activity, students can use the reference information on the strength of association of scatter plots found in Is There an Association?

The scatter plots below show data about 136 students at age 18 for three variables: leg length (cm), weight (kg) and strength (kg).

Which plot do you think represents which pairs of variables?

Give reasons for your choices.

There are other activities available in difficulties with informal inference.

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Name	Class	Section
Year 10: Use scatter plots to investigate and comment on relationships between two numerical variables	Infobox	3
Source	Infobox	3