JEE Main 10 Apr 2019 Paper 2 Solved Paper
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Question : 64 of 90
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If both the mean and the standard deviation of 50 observations x 1 , x 2 , . . . . . x 50 ( x 1 − 4 ) 2 , ( x 2 − 4 ) 2 , ( x 50 − 4 ) 2
[10 Apr 2019 Shift 2]
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