AP Statistics · Topic 5.2
The Normal Distribution, Revisited Practice
Part of Sampling Distributions.(VAR-6.A)
Practice questions
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Sample questions
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Compared to the population, the sampling distribution of x̄
- A
Has different mean
- Bcheck_circle
Has the same mean but smaller SD (= σ/√n)
- C
Has the same mean and same SD
- D
Is more skewed
Why
x̄ centered at μ; spread shrinks by √n.
- A