Final answer:
Variability in mathematics measures the spread or dispersion of a data set. It can be calculated using the range or standard deviation.
Step-by-step explanation:
Variability in mathematics refers to the spread or dispersion of a data set. It measures how much the values in a data set vary from the average or mean. One way to calculate variability is by determining the range, which is the difference between the maximum and minimum values in the data set. Another way is to calculate the standard deviation, which quantifies the average amount of deviation or dispersion of data points from the mean.
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