AP Statistics (Chapter 8-9: Interpretations)

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(8.1a) Confidence Interval (Interpretation)

We are ___% confident that the interval from A to B captures the true (parameter in context).

(8.1b) Confidence Level (Interpretation)

If we take many many samples and calculate a confidence interval for each, about ___% of them will capture the true (parameter: p or u) (context).

(9.1a) P-Value (Interpretation)

Assuming Ho is the true (p/u= ), there is a (p-value) probability of getting the observed result or more extreme purely by chance.

(9.1a) P-Value (Conclude)

Because (P-Value) (</>) (a), we (do/do not) have convincing evidence for Ha (context).

(9.2b) Type l Error (Interpretation)

The null hypothesis (Ho context) is true, but we find convincing evidence for (Ha in context).

(9.2b) Type ll Error (interpretation)

The alternate hypothesis (Ha context) is true, but we don find convincing evidence for (Ha context).

(9.2c) Power (interpretation)

If Ha is true (at specific value in context), there is a (power) probability of finding convincing evidence to reject the null (context).