Mathematics, 03.09.2020 19:01 niicoleassssssf

After a hurricane, a disaster area is divided into 200 equal grids. Thirty of the grids are selected, and every occupied household in the grid is interviewed to help focus relief efforts on what residents require the most. The sampling technique used is:. A) Stratified Sampling.
B) Cluster Sampling.
C) Systematic Sampling.
D) Simple Random Sampling.

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After a hurricane, a disaster area is divided into 200 equal grids. Thirty of the grids are selected...

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