Determine which sampling method was used in the following

Last updated: 7/25/2022

Determine which sampling method was used in the following study. A certain species of tree in Gove County, Kansas was dying off due to an infestation. A study was produced to determine the percentage of trees that were dying due to this infestation. Rangers went across the entire county and checked every tree to determine whether or not it was infested. sample random selection voluntary response census