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Calculate the weighted mean from the following data: `{:("Marks",60,75,63,59,55),("Weight",2,1,5,5,3):}`

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Calculate the weighted mean from the following data:
`{:("Marks",60,75,63,59,55),("Weight",2,1,5,5,3):}`
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`barX_(W)=(sumWX)/(sumW)`
`=(970)/16= 60.625`
Weighted Mean = `60.625`.
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