Examlex
The ___________ database model is a type of database that stores its information in the form of logically related two-dimensional tables.
Standard Deviation
A measurement indicating the range of separation or variance among a set of data.
Mean
The arithmetic average of a set of numbers, calculated by adding all the numbers and dividing by the count.
Standard Normal Curve
A bell-shaped curve that is symmetric about the mean, showing the distribution of a standard normal variable where the mean is zero and the standard deviation is one.
Z-score
A statistic that measures the distance of a single data point from the mean, expressed in units of standard deviation.
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