Comparing Scores and Datasets
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Questions and Answers

What is the expected value of a score based on?

  • The highest value in a set of values
  • The lowest value in a set of values
  • The middle value in a set of values (correct)
  • The sum of all values in the distribution
  • Which of the following is the definition of the median?

  • The highest value in a set of values
  • The lowest value in a set of values
  • The middle value in a set of values (correct)
  • The sum of all values in the distribution
  • What is the arithmetic mean?

  • The highest value in a set of values
  • The lowest value in a set of values
  • The middle value in a set of values
  • The sum of all values in the distribution divided by the number of values (correct)
  • Study Notes

    • When comparing your score to the scores of your classmates, which dataset would make your score of 3 the most impressive?

    • The expected value of a score is based on the center of a distribution of potential scores.

    • The median equals the middle value in a set of values ranked from lowest to highest, and the arithmetic mean equals the sum of all values in the distribution, divided by the number of values.

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    Test your understanding of comparing scores and datasets, and the concepts of expected value, median, and arithmetic mean in statistical analysis.

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