Quadrupling n changes SE of x̄ by factor
- A
1/4
- B
1
- Ccheck_circle
1/2
- D
4
Explanation
σ/√(4n) = (σ/√n)/2.
Sampling Distributions for Sample Means
AP Statistics· difficulty 3/5
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AP Statistics· difficulty 3/5
Quadrupling n changes SE of x̄ by factor
1/4
1
1/2
4
Explanation
σ/√(4n) = (σ/√n)/2.
Want 10 more like this — adaptive to your weak spots?