Absolute error of the measurement is

Q. Absolute error of the measurement is

1. the difference between the individual measurement and the true value of the quantity cubed.
2. the difference between the individual measurement and the true value of the quantity squared.
3. the difference between two individual measurements and their mean
4. the difference between the individual measurement and the true value of the quantity

Answer: the difference between the individual measurement and the true value of the quantity cubed.