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AP Statistics

Unit 7: Inference for Quantitative Data: Means

10–18% of exam score
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A timed sectional mock on this unit

The t-distribution, confidence intervals and tests for one mean, paired data and the difference of two means.

Key formula
t=xˉ−μ0s/nt = \frac{\bar{x} - \mu_0}{s / \sqrt{n}}

What this unit covers

  • t-distributions

  • Intervals and tests for one mean

  • Paired data

  • Two-sample means