TS PSC Group 1 Services Prelims 2011 Paper
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Question : 101 of 200
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Find out the missing observation of the following data with mean 5.
2, 6, 5, 3, 8, 2, , 9, 7, 7, 6, 4
2, 6, 5, 3, 8, 2, , 9, 7, 7, 6, 4
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