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Following observations were taken with a vernier callipers while measuring the length of a cylinder

$3.29 \,cm, 3.28\, cm, 3.29 \,cm, 3.31 \,cm,$ $ 3.28\, cm, 3.27 \,cm, 3.29 \,cm, 3.30\, cm$

Then find Absolute error in forth and eighth observation

  • A$0.02\, cm, 0.01 \,cm$
  • B$0.00\, cm, 0.01 \,cm$
  • C$-0.02 \,cm,-0.02 \,cm$
  • D$-0.02 \,cm, -0.01\, cm$
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