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 · 2022 · 29 Jul · 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. /2022 · 29 Jul · Shift 1
  5. /Mathematics
  6. /Statistics

Statistics · 2022 · 29 Jul · Shift 1

1 Mathematics questions from this JEE Main paper

  1. Q41.Let the mean and the variance of 20 observations x1​,x2​,…,x20​ be 15 and 9 , respectively. For α∈R, if the mean of (x1​+α)2,(x2​+α)2,…,(x20​+α)2…
    Mathematics · Statistics · Numerical