Briefly Define Operating System

question 45

Essay

 Briefly define operating system.

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Definitions:

Z-score

A statistical measure representing the number of standard deviations a data point is from the mean of its data set, used in standardizing scores for comparison.

Probability Sampling

Sampling based on random selection of the sample units.

Convenience Sampling

Sampling based on convenience to the researcher.

Judgmental Sampling

A non-random sampling technique where the researcher selects units to be sampled based on their knowledge and professional judgment.