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For a set of data with mean 12 and variance 9, approsimately 68% of the values will fall between 6 to 18. Is the true or false and how do you find the answere?

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2 answers

  1. Variance = SD^2

    Therefore SD = 3

    68% fall between ± 1 SD

    What does that tell you?

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    4. 🚩
  2. False

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    4. 🚩

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