Accuracy vs PrecisionEasyQuestion 30102
Question
Which of the following is a characteristic of a systematic error?
- AIt shifts all readings by the same amount in one directionCorrect
- BIt causes readings to scatter randomly on both sides
- CIt can be reduced by averaging many readings
- DIt is caused by observer limitations
Correct answer
It shifts all readings by the same amount in one direction
Explanation
Systematic errors are consistent and unidirectional; averaging does not eliminate them. Random errors scatter and can be reduced by averaging.