Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

Statistics · 2023 · 15 Apr · Shift 1

1 Mathematics questions from this JEE Main paper
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /JEE Main
  3. /Papers
  4. /2023 · 15 Apr · Shift 1
  5. /Mathematics
  6. /Statistics

Statistics · 2023 · 15 Apr · Shift 1

1 Mathematics questions from this JEE Main paper

  1. Q30.The mean and standard deviation of 10 observations are 20 and 8 respectively. Later on, it was observed that one observation was recorded as 50 instead of 40. Then the correct variance is :
    Mathematics · Statistics · MCQ