Examlex
In a prospective observational study, the members of the experimental group are exposed to the suspected causal agent by the investigators.
Concerts Attended
Refers to the number of live music performances a person has gone to within a specified period.
Confidence Interval
A range of values, derived from sample data, that is used to estimate the true value of a population parameter with a specified level of confidence.
Prediction Interval
In statistics, a range within which a future observation or data point is expected to fall, with a specified probability.
Heteroscedasticity
A condition in regression analysis where the variance of the error terms or disturbances is not constant across all levels of an independent variable.
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