Examlex
With systematic sampling one divides the population into subgroups and chooses the test subject randomly from a number of randomly chosen subgroups.
Normal Distribution
A bell-shaped curve that represents the distribution of many types of data where most values cluster around a middle range and the rest taper off symmetrically.
Operational Definition
A clear and detailed description of how a research variable is measured or defined within the context of a study.
Hunger
The physical sensation of needing to eat, driven by the body's need for nutritional intake.
Random Sample
A subset of a statistical population in which each member of the subset has an equal probability of being chosen, ensuring the sample's representativeness of the whole population.
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