Examlex
Proportionate stratified sampling and cluster sampling are both examples of __________________.
Positive Integers
Whole numbers greater than zero, found to the right of zero on the number line.
Difference
The result of subtracting one number from another to show the gap or distance between them.
Substitution
A method used in algebra and calculus involving replacing a variable with its corresponding value or another expression to simplify or solve an equation.
Equations
Mathematical statements asserting the equality between two expressions.
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