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Significance Level and Power of a Hypothesis Test by Jonathan Osters

Significance Level and Power of a Hypothesis Test by Jonathan Osters

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Identify factors that influence the significance level and power of a hypothesis test.

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Terms to Know
Power of a Hypothesis Test

The probability that we reject the null hypothesis (correctly) when a difference truly does exist.

Significance Level

The probability of making a Type I error. Abbreviated with the symbol, alpha open parentheses alpha close parentheses.