Examlex
Write a simplified algebraic expression for the area of the rectangle.
Control Group
In experimental research, a group of subjects that does not receive the treatment or intervention being tested, serving as a benchmark to measure the effects of the treatment on the experimental group.
Reliability
The consistency and stability of a measurement, test, or instrument over time, ensuring that repeated applications yield similar results.
Statistics
The science of collecting, analyzing, interpreting, and presenting data to make informed decisions or predictions.
Mean
In statistics, the average value of a set of numbers, calculated by dividing the sum of all values by the count of values.
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