Examlex
The two key organs in the body's immune system are the thymus gland and white blood cells.
Equal Chance
A condition in probability where every outcome in a sample space is equally likely to occur.
Observations
The act of monitoring or recording data during an experiment or study.
Stratified Random Sampling
A sampling technique where the population is divided into distinct subgroups and samples are drawn from each subgroup.
Simple Random Sample
A sample in which each member of the population has an equal chance of being selected, minimizing biases in the sampling process.
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