Examlex
John has worked in the marketing department of a computer supplier for five years.He obtains information on marketing decisions from a system that handles only marketing data for the firm.John is using which kind of system?
Range
Range is the difference between the highest and lowest values in a set of data, indicating the spread or variability of the dataset.
Range
The difference between the highest and lowest values in a data set.
Variance
A measure of the dispersion or spread of a set of values, indicating how much the values differ from the mean of the set.
Deviations
Differences between values in a data set and a central point, typically the mean of the set.
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