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MMLU / In a medical class of 147 students, the distribution of scores on a biochemistry…

Problem

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question

In a medical class of 147 students, the distribution of scores on a biochemistry final examination has a mean equal to 67, a median equal to 76, a mode equal to 80, a standard deviation equal to 5.5, and a variance equal to 30.25. Three students were unable to take the test on the scheduled date and were given a different form of the exam 1 week later. Which parameter is most likely to be the least biased estimator of central tendency for this distribution of biochemistry test scores?

choices

  1. Mean
  2. Median
  3. Mode
  4. Standard deviation

subject

virology

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