A one-sample t CI for μ has the form
- A
x̄ ± 1.96·s
- B
x̄ ± s/n
- Ccheck_circle
x̄ ± t*·s/√n
- D
x̄ ± z*·σ
Explanation
With σ unknown, use t-distribution and SE = s/√n.
Constructing a Confidence Interval for a Population Mean
AP Statistics· difficulty 3/5
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