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MMLU / Students in AP Statistics class were timed in seconds while solving a series of…

Problem

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question

Students in AP Statistics class were timed in seconds while solving a series of mathematical brainteasers. One student's time had a standardized score of z = 2.40. If the times are all changed to minutes, what will then be the student's standardized score?

choices

  1. z = 0.04
  2. z = 0.4
  3. z = 1.80
  4. z = 2.40

subject

high_school_statistics

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