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In a steam engine,steam at 140°C in a turbine does work on an external system,and the steam leaves the turbine at 100°C.The efficiency of the steam engine is 5%.The relevant physical principle is the first law of thermodynamics.
Salespersons
Individuals who are employed to sell products or services to customers, often working on commission.
Average Sales
The sum of all sales amounts divided by the number of sales transactions, indicating the typical sales value.
Variance
A statistical measure of the dispersion or spread in a set of data points, indicating how much the values differ from the mean of the set.
Variance
A measure of variability that denotes the average of the squared differences from the mean, showing how widely the values in a data set are spread.
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