Examlex
Discuss the difficulties in determining portion size.
Expected Value
The sum of all possible outcomes of a random process, each multiplied by its probability of occurrence.
Variance
A measure of the dispersion of a set of data points around their mean; mathematically, it is the average of the squared differences from the mean.
Random Variable
A variable that assumes numerical outcomes as a result of random events.
Constant
A value that remains unchanged throughout the execution of a process or formula.
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