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Question

Read the following Assertion (A) and Reason (R), and choose the correct answer.

Assertion (A): Average nearest-neighbour analysis can assess whether a point pattern is clustered or dispersed relative to a random pattern.

Reason (R): It compares the observed mean nearest-neighbour distance with the expected mean distance for a random point distribution of the same density.

The correct answer is

Both (A) and (R) are true and (R) is the correct explanation of (A).

Both A and R are true, and R explains A. Average nearest-neighbour analysis compares observed spacing with the mean spacing expected for a random point distribution at the same density. Smaller observed distances indicate clustering; larger distances indicate dispersion. Line and polygon implementations require a specified representation, such as centroids.

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