Difference between revisions of "Random Error"
| Line 15: | Line 15: | ||
: '''Random errors''' cannot be predicted. | : '''Random errors''' cannot be predicted. | ||
: A '''random error''' is just as likely to increase a [[results|result]] as decrease a [[results|result]]. | : A '''random error''' is just as likely to increase a [[results|result]] as decrease a [[results|result]]. | ||
| − | : If a [[reading]] is taken [[ | + | : If a [[reading]] is taken [[repeat|repeatedly]] over several [[experiment]]s then an [[Mean Average|average]] can be used to reduce the effect of the '''random error'''. |
Revision as of 17:25, 21 March 2019
Contents
Key Stage 3
Meaning
A random error is when the results in an experiment are affected by an uncontrolled control variable.
About Random Errors
- Random errors cannot be predicted.
- A random error is just as likely to increase a result as decrease a result.
- If a reading is taken repeatedly over several experiments then an 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.
About Random Errors
- Random errors cannot be predicted.
- A random error is just as likely to increase a result as decrease a result.
- If a reading is taken repeatedly over several experiments then an average can be used to reduce the effect of the random error.