Examlex
Interviews are conducted with system users in the requirements analysis phase of the systems development life cycle.
Normal Distribution
This denotes a probability distribution with symmetry at the mean, proving that nearer-to-mean data points occur more regularly than those farther away.
Mean
The mean of a collection of numbers, found by dividing their total sum by the quantity of numbers in the set.
μ
The symbol commonly used to represent the mean or average of a population in statistics.
σ
Represents the standard deviation of a population in statistics, measuring the dispersion of dataset values from the mean.
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