Examlex
A stimulating home environment is one of the best predictors of a child having a high IQ.
Null Hypothesis
A default hypothesis that there is no effect or difference, and any observed change in the data is due to random chance.
Confidence Interval
An interval estimate of a population parameter that provides a range of values which is likely to include the parameter of interest.
Standard Deviation
A measure of the amount of variation or dispersion of a set of values, describing how much individual data points differ from the mean.
Sample Mean
The average of a set of numerical values drawn from a sample of a population, used as an estimate of the population mean.
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