Examlex
Which of the following Access functions can you use to return the number of records in a group of records?
Standard Deviation
Standard deviation is a measure that quantifies the amount of variance or dispersion of a set of data values, indicating how much the values differ from the mean of the set.
σ
The symbol representing the standard deviation in statistics, a measure of the amount of variation or dispersion in a set of values.
Dispersion
A statistical measure that describes the spread of or variation in a set of data values.
Variation
The difference in data set values from the mean, highlighting the dispersion or spread of a set of data points.
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