Examlex
The banded vegetation of higher mountains is called "vertical zonation."
Sampling Method
The technique or process used to select a sample from a population for statistical analysis.
Stratified Sample
A stratified sample involves dividing a population into smaller groups, or strata, and randomly sampling from each stratum to ensure representation of all groups.
Random Selection
A method of selecting individuals or units in such a way that each member of the population has an equal chance of being selected.
Blocking Variable
A variable that is used to group experimental units in a way that reduces variation in the response variable.
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