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After restoring a laptop to factory settings, a client can no longer use the touchpad on it. A technician verifies the system state was fully restored from the most recent, fully working backup. Which of the following should the technician check for NEXT using the fewest number of steps?
Variance
A statistical measure that represents the dispersion or spread of a set of data points around their mean.
Laws of Expected Value
Theorems in probability theory that describe the behavior of the expected value of a random variable, including properties like linearity.
Probability Distribution
This function computes the likelihood of various potential outcomes of an experiment.
Standard Deviation
A metric quantifying the extent of difference or scatter among a group of figures.
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