Measures of Central Tendency — Economics STD 11 Commerce — Question
CBSE BoardEnglish MediumSTD 11 CommerceEconomicsMeasures of Central Tendency1 Mark
Question
Give the formula of weighted arithmetic mean.
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Answer
Weighted arithmetic mean $(\overline{\text{X}}_\text{w})=\frac{\sum\text{XW}}{\sum\text{W}}$ where $\sum\text{XW}=$ Total of the values multiplied by weights.$\sum\text{X}=$ sum of weights.
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