Examlex
When managers understand what their service providers are facing on a day-to-day basis by directly observing them and talking to customers, it is called "management by walking around."
Proportion
A fraction or percentage that indicates the part of a whole represented by a certain count or quantity.
Student T Distribution
A probability distribution used in statistical inference for datasets with small sample sizes and unknown population standard deviations.
Variance
A measure of the dispersion of a set of data points around their mean; the average of the squared differences from the Mean.
Degrees of Freedom
The number of independent values or quantities that can freely vary in the analysis of statistical calculations without violating any constraints.
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