Standard Deviation Quiz

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Questions and Answers

What is the most likely value for the standard deviation of the students' scores?

  • 13 (correct)
  • -10
  • 0
  • 63

If the standard deviation of the students' scores is 0, what does it imply?

  • All students scored the same (correct)
  • The scores were evenly distributed
  • The mean score was 0
  • There was no variation in the scores

What does a standard deviation of -10 indicate about the students' scores?

  • The mean score was negative
  • There was no dispersion in the scores (correct)
  • The scores were negatively skewed
  • The scores were all below the mean

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Study Notes

Standard Deviation

  • The most likely value for the standard deviation of the students' scores is unknown or uncertain, as it depends on the distribution of scores.
  • If the standard deviation of the students' scores is 0, it implies that all students have the same score, with no variation or dispersion.
  • A standard deviation of -10 is impossible, as the standard deviation cannot be negative; it can only be positive or zero.

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