A set of repeated measurements is made of a fixed quantity. An average of these measurements is calculated.
What is the effect of averaging on the random error and the systematic error in the measurements?
1 )
Random error and systematic error are both reduced.
2 )
Random error and systematic error are both unaffected.
Random error is reduced but systematic error is unaffected.
4 )
Random error is unaffected but systematic error is reduced.
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