Examlex
You want to study whether or not the use of computers in the classroom for elementary students has an effect on performance. Explain in some detail how you would ideally set up such an experiment and what threats to internal and external validity there might be.
Confidence Interval
A collection of values, extracted from sample measurements, likely to harbour the value of an undetected population parameter.
Confidence Interval
A range of values, derived from sample statistics, that is believed to contain the true population parameter with a specified level of confidence.
Confidence Interval
A breadth of values, taken from statistical examination of a sample, that aims to envelop the value of an unrevealed population trait.
Standard Deviation
Standard deviation is a measure of the amount of variation or dispersion in a set of values, indicating how much the individual data points diverge from the mean value.
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