Examlex
If the graphs of a system of two equations are both circles, what are the possible numbers of solutions (with real
coordinates) of this system?
Judgment Sampling
A nonprobability method of sampling whereby elements are selected for the sample based on the judgment of the person doing the study.
Cluster Sampling
A probability sampling method in which the population is first divided into clusters and then a simple random sample of the clusters is taken.
Simple Random Sampling
A sampling method where each member of the population has an equal chance of being selected, ensuring unbiased representation.
Stratified Simple Random Sampling
A sampling method that divides a population into smaller groups or strata and then selects random samples from each stratum.
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