Difference between revisions of "Weighted average"
From Encyclopedia of Mathematics
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| + | $#A+1 = 4 n = 0 | ||
| + | $#C+1 = 4 : ~/encyclopedia/old_files/data/W097/W.0907570 Weighted average | ||
| + | Automatically converted into TeX, above some diagnostics. | ||
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The quantity | The quantity | ||
| − | + | $$ | |
| + | \overline{x}\; = \ | ||
| + | |||
| + | \frac{\sum _ {i = 1 } ^ {n} p _ {i} x _ {i} }{\sum _ {i = 1 } ^ {n} p _ {i} } | ||
| + | , | ||
| + | $$ | ||
| − | where | + | where $ x _ {1} \dots x _ {n} $ |
| + | are $ n $ | ||
| + | quantities taken with respective weights $ p _ {1} \dots p _ {n} $. | ||
Latest revision as of 08:29, 6 June 2020
The quantity
$$ \overline{x}\; = \ \frac{\sum _ {i = 1 } ^ {n} p _ {i} x _ {i} }{\sum _ {i = 1 } ^ {n} p _ {i} } , $$
where $ x _ {1} \dots x _ {n} $ are $ n $ quantities taken with respective weights $ p _ {1} \dots p _ {n} $.
How to Cite This Entry:
Weighted average. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Weighted_average&oldid=12350
Weighted average. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Weighted_average&oldid=12350