Examlex
The cost of waiting decreases as the service level increases.
Mean
The average value of a set of numbers, calculated by dividing the sum of these numbers by the count of numbers in the set.
Population Standard Deviation
A measure of the dispersion or spread of a set of data points in a population, calculated as the square root of the variance.
Confidence Interval
A spectrum of values obtained from sample data, which has a high probability of encompassing an unknown characteristic of the entire population.
Mean
The mean, often referred to as the average, is a statistic that represents the central or typical value in a set of data, calculated by dividing the sum of all values by the number of values.
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