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ICSE Class 6 Answered

The mean weight of 16 students of a school is 40 Kg if a student waiting 25kg leave the find mean weight of the remaining students
Asked by Mukulkumarverma107 | 04 Feb, 2019, 08:51: PM
answered-by-expert Expert Answer

begin mathsize 16px style Mean space equals space fraction numerator sum space of space all space the space observations over denominator number space of space observations end fraction rightwards double arrow 40 space equals space fraction numerator sum space of space all space the space observations over denominator 16 end fraction rightwards double arrow sum space of space all space the space observations space equals space 40 space cross times space 16 space equals space 640 According space to space the space condition comma sum space of space all space the space observations equals 640 space minus space 25 space equals space 615 rightwards double arrow Mean space equals space fraction numerator sum space of space all space the space observations over denominator number space of space observations end fraction rightwards double arrow Mean space equals space 615 over 15 rightwards double arrow Mean space equals space 41 space kg end style
 
Answered by Yasmeen Khan | 05 Feb, 2019, 01:41: PM

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