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Statistics · 2020 · 6 Sep · Shift 1

1 Mathematics questions from this JEE Main paper
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Statistics · 2020 · 6 Sep · Shift 1

1 Mathematics questions from this JEE Main paper

  1. Q31.If i=1∑n​(xi​−a)=n and i=1∑n​(xi​−a)2=na (n, a > 1) then the standard deviation of n observations x1 , x2 , ..., xn is :
    Mathematics · Statistics · MCQ