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MMLU / A local school has seven math teachers and seven English teachers. When…

Problem

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question

A local school has seven math teachers and seven English teachers. When comparing their mean salaries, which of the following is most appropriate?

choices

  1. A two-sample z-test of population means
  2. A two-sample t-test of population means
  3. A one-sample z-test on a set of differences
  4. None of the above are appropriate.

subject

high_school_statistics

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Official source

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