Examlex
Explain the core knowledge perspective of cognitive development.
Alpha (α)
The threshold of significance in a statistical test; the probability of rejecting the null hypothesis when it is true, often set at 0.05 or 5%.
Population Parameter
A value that represents a characteristic of an entire population, such as its mean or standard deviation.
Statistic
A statistic is a single measure or value that is derived from a sample of data, used to estimate or infer properties of the population from which the sample was drawn.
Alpha Value
A specified threshold in hypothesis testing that represents the maximum probability of wrongly rejecting the null hypothesis.
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