Examlex
The basic requirement for a selection test is that it be ________.
Psychosomatic Problems
Health issues that arise from or are significantly influenced by the mind and emotions rather than purely physiological causes.
Expected Value
The weighted average of all possible values of a random variable, representing its mean or center.
Variance
A statistical measurement that describes the spread of numbers in a data set, calculated as the average of squared deviations from the mean.
Probability
A numerical range from 0 to 1 signifying the chances that an event will happen.
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