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AP Statistics

Unit 5: Sampling Distributions

7–12% of exam score
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A timed sectional mock on this unit

Sampling distributions of a proportion and of a mean, the central limit theorem, and bias and variability of estimators.

Key formula
σxˉ=σn\sigma_{\bar{x}} = \frac{\sigma}{\sqrt{n}}

What this unit covers

  • Sampling distribution of a proportion

  • Sampling distribution of a mean

  • Central limit theorem

  • Biased and unbiased estimators