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Which of the following statements is true about variance? (2020)

Practice Questions

1 question
Q1
Which of the following statements is true about variance? (2020)
  1. It can be negative
  2. It is always positive
  3. It is the average of the data
  4. It is the sum of the data

Questions & Step-by-step Solutions

1 item
Q
Q: Which of the following statements is true about variance? (2020)
Solution: Variance is always non-negative as it is calculated as the average of squared deviations from the mean.
Steps: 0

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