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If mean of observation x, X+3, X+5, x+7,X+10 is 9. Then the mean of last threeobservations is111110102 |
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Answer» Answer: Answer Mean of X,x+3,x+5,x+7,x+10=9 Sum of the terms =5x+25 Mean = 5 5x+25 =9 x+5=9 x=4 Last three OBSERVATIONS are 9,11,14 Mean = 3 9+11+14 =11 3 1
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