Examlex
Transactional and transformational leadership are opposing approaches to getting things done.
Population Mean
The average of a set of characteristics (numeric values) in a population; a parameter that describes the central location of the data.
Sample Mean
The average of all data points in a sample, used as an estimate of the population mean.
Unbiased Estimators
Statistical estimators whose expected value is equal to the parameter being estimated.
Variance
A measure of the dispersion indicating how much the values in a data set differ from the mean.
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