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Sampling Distributions for Sample Means

AP Statistics· difficulty 4/5

Margin of error in a 95% CI for μ (σ known) is

  • A

    1.96·σ/√n

    check_circle
  • B

    σ/n

  • C

    1.96·σ

  • D

    1.96·s

Explanation

ME = z*·SE = 1.96·σ/√n.

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