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The Following Samples Were Selected by Two Researchers μ\mu = 12 σ\sigma

Question 30

Multiple Choice

The following samples were selected by two researchers.Which is associated with a smaller standard error of the mean?
Researcher A: n = 36, μ\mu = 12, σ\sigma = 9
Researcher B: n = 36, μ\mu = 12, σ\sigma = 6


A) Researcher A.
B) Researcher B.
C) They both have the same standard error.

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