Practice

Questions

Pick a topic and practice with clear explanations.

Engineering

Four persons measure the length of a rod as 20.00 cm,19.75 cm,17.01 cm and 18.25 cm20.00 \text{ cm}, 19.75 \text{ cm}, 17.01 \text{ cm and } 18.25 \text{ cm}. The relative error in the measurement of average length of the rod is :