P-values and significance tests
7:58
Khan Academy
P-values and significance tests
We compare a P-value to a significance level to make a conclusion in a significance test.\n\nGiven the null hypothesis is true, a p-value is the probability of getting a result as or more extreme than the sample result by random chance alone. If a p-value is lower than our significance level, we reject the null hypothesis. If not, we fail to ...
Feb 21, 2018
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