Changeset 20487 in project
 Timestamp:
 09/24/10 13:42:17 (8 years ago)
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wiki/eggref/4/statistics
r20485 r20487 31 31 32 32 ; (mean items) : given a list of numbers, {{items}}, returns the arithmetic mean of the items (the sum of the numbers divided by the number of numbers). 33 (mean '(1 2 3 4 5)) => 3 33 34 ; (median items) : given a list of numbers, {{items}}, returns the value which separates the upper and lower halves of the list of numbers. 35 (median '(1 2 3 4)) => 5/2 34 36 ; (mode items) : 35 37 ; (geometricmean items) : given a list of numbers, {{items}}, returns the geometric mean of the items (the result of multiplying the items together and then taking the nth root, where n is the number of items). 38 (geometricmean '(1 2 3 4 5)) => 2.60517108469735 36 39 ; (range ) : 37 40 ; (percentile items n) :
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