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How do the holes form in vesicular igneous rocks,such as scoria and pumice?
Standard Deviation
An indicator used to assess the degree to which data points diverge or scatter around the average value.
Range
The difference between the highest and lowest values in a dataset, showing the spread of the data.
Mean
An average value that summarizes or represents the central tendency within a data set, determined by dividing the sum of all values by their count.
Mode
The value that appears most frequently in a data set.
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