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What is the variance of the following numbers: 5, 7, 9, 11? (2020)

Practice Questions

1 question
Q1
What is the variance of the following numbers: 5, 7, 9, 11? (2020)
  1. 4
  2. 6
  3. 8
  4. 10

Questions & Step-by-step Solutions

1 item
Q
Q: What is the variance of the following numbers: 5, 7, 9, 11? (2020)
Solution: Mean = (5 + 7 + 9 + 11) / 4 = 8. Variance = [(5-8)² + (7-8)² + (9-8)² + (11-8)²] / 4 = 4.
Steps: 0

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