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==Key Stage 3==
===Meaning===
A '''random error''' is when the [[results]] in an [[experiment]] are affected by an uncontrolled [[Control Variable|control variable]].
===About Random Errors===
: '''Random errors''' cannot be predicted.
: A '''random error''' is just as likely to increase a [[results|result]] as decrease a [[results|result]].
: If a [[reading]] is taken [[repeats|repeatedly]] over several [[experiment]]s then an [[Mean Average|average]] can be used to reduce the effect of the '''random error'''.
==Key Stage 4==
===Meaning===
A '''random error''' is when the [[results]] in an [[experiment]] are affected by an uncontrolled [[Control Variable|control variable]].