Types
The table of mathematical symbols explains the symbols used below.
Name  Equation or description 

Arithmetic mean  
Median  The middle value that separates the higher half from the lower half of the data set 
Geometric median  A rotation invariant extension of the median for points in Rn 
Mode  The most frequent value in the data set 
Geometric mean  
Harmonic mean  
Quadratic mean (or RMS) 

Generalized mean  
Weighted mean  
Truncated mean  The arithmetic mean of data values after a certain number or proportion of the highest and lowest data values have been discarded 
Interquartile mean  A special case of the truncated mean, using the interquartile range 
Midrange  
Winsorized mean  Similar to the truncated mean, but, rather than deleting the extreme values, they are set equal to the largest and smallest values that remain 
Annualization 
Read more about this topic: Average
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Famous quotes containing the word types:
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