Examlex
One disadvantage of secondary data is that ____.
Supermarket Chains
Companies that own or operate multiple supermarket stores across different locations.
Blocking Variable
A variable introduced in an experimental design to account for potential variation, thereby reducing confounding effects.
Incentive
A benefit, reward, or cost that motivates an individual or organization to act in a certain way.
Exam
An official examination of an individual's understanding or mastery of a particular topic or ability.
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