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If the sum of squared residuals is zero, then the:
Experimental Group
In scientific research, the group of subjects that receives the treatment or intervention being tested, allowing for the evaluation of its effects.
Control Group
In an experiment or clinical trial, the group of participants who do not receive an active treatment. The control group serves as a comparison to the experimental group.
Reliability
The extent to which an instrument, tool, or process is consistently accurate and dependable when measuring what it is intended to measure.
Validity
The extent to which a test, measurement, or research accurately represents what it is intended to measure.
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