Effect of Adding Data to Mean and Standard Deviation Quiz
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Questions and Answers

How are the mean and standard deviation affected when 9 and 13 are added to the distribution?

  • The mean does not change. The standard deviation does not change.
  • The mean does not change. The standard deviation is larger. (correct)
  • The mean changes. The standard deviation is smaller.
  • The mean does not change. The standard deviation is smaller.

    • What happens to the mean when 9 and 13 are included in the distribution?

  • The mean does not change. The standard deviation does not change. (correct)
  • The mean changes. The standard deviation is larger.
  • The mean changes. The standard deviation is smaller.
  • The mean changes. The standard deviation does not change.

    • Which statement accurately describes the impact of adding 9 and 13 to the distribution?

  • The mean does not change. The standard deviation does not change.
  • The mean changes. The standard deviation is smaller.
  • The mean does not change. The standard deviation is smaller.
  • The mean changes. The standard deviation is larger. (correct)

    • If 9 and 13 are part of the data distribution, what happens to the mean and standard deviation?

    <p>The mean changes. The standard deviation is larger.</p> Signup and view all the answers

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