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 _______.

a. multistage sample
b. stratified sample
c. simple random sample
d. cluster sample
e. convenience sample

Respuesta :

Answer:

d. cluster sample

Explanation:

Cluster sampling is characterized as a sampling method which various clusters of individuals are generated from a population where they are representative of homogeneous features and have equal opportunities to be component of the sample.

A simple random sample is generated from the various clusters in the population in this sampling method.