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 · 31 Jan · Shift 2

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 · 31 Jan · Shift 2
  5. /Mathematics
  6. /Statistics

Statistics · 2023 · 31 Jan · Shift 2

1 Mathematics questions from this JEE Main paper

  1. Q28.Let the mean and standard deviation of marks of class A of 100 students be respectively 40 and α(> 0 ), and the mean and standard deviation of marks of class B of n students be respectively 55 and 30 −α. If the mean and…
    Mathematics · Statistics · MCQ