AP Stats Significant Tests

Hint: remember that lovely formula chart

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Hint: use some of them formulas!

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Hint
Power =1-P(Type II)
Lower Type II = Higher Alpha

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Hint: Read each answer choice carefully

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Hint: did you divide first?

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Hint: think logically...

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Hint
Check out that formula chart...again!

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Hint: For regression, you are estimating two things...how does that affect the degrees of freedom?

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To test a claim about a mean, when the population standard deviation is unknown we use:

• z procedures

• Pythagorean Theorem

• t procedures

• np > 10 and n(1-p) > 10