5 people of a locality were asked about the time they spent in a week in doing social work. They told the no. of hours as: x,x+2,x+4,x+6,x+8, find the mean no. of hours devoted by first three members. If mean no. of hours of 5 persons is 11 hours what values do we draw from above data?
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so much mathematics and I am horrible at it
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