A maple sugar manufacturer wants to estimate the average trunk diameter of sugar maples trees in a large forest. there are too many trees to list them all and take a srs, so he divides the forest into several hundred 10 meter by 10 meter plots, selects 25 plots at random, and measures the diameter of every sugar maple in each one. this is an example of a

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Lily Buckley

20 March, 21:20

A maple sugar manufacturer wants to estimate the average trunk diameter of sugar maples trees in a large forest. there are too many trees to list them all and take a srs, so he divides the forest into several hundred 10 meter by 10 meter plots, selects 25 plots at random, and measures the diameter of every sugar maple in each one. this is an example of a

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Baron Villanueva · Answer 1

I would say this is an example of a sample that is in part controlled ie 10m x 10m size samples and random ie by which plots to use for the sample. The goal is to obtain a representative sample so as long as the random samples are spaced fairly regularly throughout the area in question, then it should be reasonably representative.