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MMLU / Given that the sample has a standard deviation of zero, which of the following…

Problem

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question

Given that the sample has a standard deviation of zero, which of the following is a true statement?

choices

  1. The standard deviation of the population is also zero.
  2. The sample mean and sample median are equal.
  3. The sample may have outliers.
  4. The population has a symmetric distribution.

subject

high_school_statistics

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