Examlex
System failure can occur because of a hardware problem, software problem, or a computer virus.
Sample
A portion of a broader demographic picked for the sake of conducting studies, observations, or questionnaires to collect data representative of the larger population.
Nonresponse Error
An error that occurs in survey research when some participants do not respond, potentially biasing the results.
Survey
A method for collecting information and data about a population by asking questions to a sample of that population to extrapolate insights or conclusions about the whole.
Cluster Samples
A sampling technique where the population is divided into groups (clusters) and a random sample of these clusters is selected to represent the whole population.
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