Examlex
A student's decision to drop one course and add another would be considered a transaction to the university's information system but not to its accounting system.
Standard Normal Distribution
A probability distribution that has a mean of zero and a standard deviation of one, commonly used in statistics.
Less Than
A comparative term used to indicate that one quantity or number is smaller than another.
Z-scores
A numerical indicator showing how a specific value compares to the average of a set of numbers, expressed by how many standard deviations it is from the average.
Standard Normal Distribution
A normal distribution with a mean of 0 and a standard deviation of 1, used as a basis for comparison in statistical analysis.
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