Examlex
Which of the following sampling techniques employs both probability and non-probability sampling in selecting study objects ?
a) multi-stage sampling
b) double sampling
c) sequential sampling
d) snowball sampling
Indifference Curves
Graphical representations in economics that show different bundles of goods between which a consumer is indifferent, meaning that the consumer has no preference for one bundle over another.
Concave
A shape or curve that is curved inward, resembling the interior of a circle or sphere, often used in the context of economic functions.
Tangency
A point at which two lines or curves meet without intersecting, often used in economics to find points of optimization, such as in budget constraints or indifference curves.
Budget Line
A visual diagram showing every potential mix of two products that can be bought given specific income levels and price points.
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