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The One Proportion test is a hypothesis test that can be used to determine whether a process is performing at the level of an established standard. It provides a way to determine if there is a statistically significant difference between the standard and a particular data set or whether the difference is due to random chance.

An example would be testing if a vendor that has guaranteed 48 hour delivery is performing as promised.

For a better understanding of the One Proportion Test, check out our Black Belt Training & Certification Course!

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