Summary:
- An individual measurement may be accurate or inaccurate, depending on how close it is to the true value.
- The accepted value of a measurement is the true or correct value based on general agreement with a reliable reference.
- The percent error is the absolute value of the error divided by the accepted value and multiplied by 100%.
- For aluminum the accepted density is 2.70 g/cm3.
- The experimental value is the value that is measured during the experiment.
- The error of an experiment is the difference between the experimental and accepted values.