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Find mean {{10,3},{11,12},{12,18},{13,12},{14,3}} [ Calculator, Method and examples ]

Your problem `->` mean {{10,3},{11,12},{12,18},{13,12},{14,3}}

Frequency `(f)`
103 30 `30=3xx10`
1112 132 `132=12xx11`
1218 216 `216=18xx12`
1312 156 `156=12xx13`
143 42 `42=3xx14`
`n=48``sum f*x=576`

Mean `bar x = (sum fx)/n`



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