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The interquartile range or midspread is a central interval containing 50% of the data, eliminating the 25% smallest and 25% largest observations.
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Are the position indices (quartiles, median, mean) of distribution in classes always differe...
Are the position indices (quartiles, median, mean) of distribution in classes always different from those of the unit distribution? If so, for what reason?
In theory, since the class distribution is a …