Examlex
Which of the following is NOT used to determine observations that have influential effect on the fitted model?
Traffic Lights
Traffic lights are signaling devices positioned at road intersections and pedestrian crossings to control the flow of traffic by displaying lights of standard colors (red, amber/yellow, and green) indicating stop, caution, and go, respectively.
Staring
Fixing one's gaze on someone or something for a long period, often in a manner that can be perceived as intense or aggressive.
Confounding Variable
An outside influence that changes the effect of a dependent and independent variable being examined in an experimental or observational study.
Independent Variable
A variable in an experiment that is manipulated or changed by the researcher to observe its effects on the dependent variable.
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