Which of the Following Is True About the Computational Formula

question 17

Multiple Choice

Which of the following is true about the computational formula for variance?

• A) The computational formula will always produce the same solution as the definitional formula (give or take rounding errors).
• B) It is a shortcut method for calculating variance when the population or sample size is large.
• C) It is derived mathematically from the definitional formula.
• D) All of these.

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