Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Statistics · 2012 · Shift 0

1 Mathematics questions from this JEE Main paper
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Papers
  4. /2012 · Shift 0
  5. /Mathematics
  6. /Statistics

Statistics · 2012 · Shift 0

1 Mathematics questions from this JEE Main paper

  1. Q24.Let x1, x2,........., xn be n observations, and let x be their arithematic mean and σ2 be their variance. Statement 1 : Variance of 2x1, 2x2,......., 2xn is 4 σ2. Statement 2 : : Arithmetic mean of 2x1,…
    Mathematics · Statistics · MCQ