Scatter plots

Describe an association without inferring its cause.

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Scatter plots

Six locations were observed once. Several unmeasured factors could influence the number of trees.

Fictional settlement transect1 km: 10 trees; 2 km: 14 trees; 3 km: 16 trees; 4 km: 19 trees; 5 km: 24 trees; 6 km: 25 trees05101520253035123456Trees within 50 mDistance from town centre (km)
Distance (km)Trees within 50 m
110
214
316
419
524
625
Fictional settlement transect. Original fictional resource; not an official map or real dataset.

On a small screen, scroll the diagram sideways to see the full resource.

Resource description

1 km: 10 trees; 2 km: 14 trees; 3 km: 16 trees; 4 km: 19 trees; 5 km: 24 trees; 6 km: 25 trees

1. What association does the graph show?

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2. Which conclusion is justified?

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Synthetic data and original mapping. Practice does not count as required fieldwork.

Use the resource carefully

State the unit and the part of the resource you used. A pattern in a fictional dataset is evidence for that exercise; it does not establish a fact about a real place.

Check whether an explanation is supported by the data or needs additional geographical knowledge. For statistical tasks, a calculated result does not establish causation or significance by itself.

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