Precision errors usually occur due to measuring instruments. It is defined as the degree of exactness of an instrument. Accuracy usually occurs due to calibration, errors in designing, or even human errors. It is defined as the extent to which the measured value is close to the exact value of the measurement quantity. But, before understanding how to find error, let us define percentage error and a few other basic things. It is a useful tool to determine the precision of your calculations.
To know the level and percentage of error in the measuring instruments, you can use the error formula. You can never consider that the values you get are exact. Oftentimes, there is a slight manufacturing error that causes errors in the values. Whenever the measuring products are manufactured, it is not feasible for them to be completely accurate.
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