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Sampling Distributions for Sample Means

AP Statistics· difficulty 3/5

For a population with σ = 20 and a sample mean x̄, the SE of x̄ for n = 16 is

  • A

    20

  • B

    2

  • C

    5

    check_circle
  • D

    10

Explanation

σ/√n = 20/4 = 5.

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