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Why must a science experiment have three trials

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7 votes
A scientist must have three trails of his/her experiment, to prove it is completely correct and having three trials of the same experiment, proves that the work is right and has no mistakes.
User Mano
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5 votes
in order to make it easier to spot anomalouus results more easily so that you can take them out of the mean to make the results more accurate?
User Houqp
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