Statistics are often used to determine whether or not an experiment provides enough accuracy to believe the results beyond a reasonable doubt. What confidence level is typically needed for a science experimental result to be considered valid?

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Typically, a p-value of 0.05, meaning only a 5% chance the result was obtained by chance, is needed. This is a 95% confidence. The confidence level requirement can vary depending on your field, but in general if you receive a 95% confidence level from your statistical analysis, most scientists will agree that your results are significant.

Statistics Are Often Used to Determine Whether or Not an Experiment