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Answer to Question #11370 in Mechanics | Relativity for Dylon

Question #11370
why is it better to measure three times instead of once?
Expert's answer
Scientists run experiments more than once to verify that results are consistent. In other words, you must verify that you obtain essentially the same results every time you repeat the experiment with the same value for your independent variable. This insures that the answer to your question is not just an accident. Each time that you perform your experiment is called a run or a trial. So, your experimental procedure should also specify how many trials you intend to run. Most teachers want you to repeat your experiment a minimum of three times. Repeating your experiment more than three times is even better, and doing so may even be required to measure very small changes in some experiments.

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