Mathematics · Statistics
Consider the following statements: [1] The variance of 20 observations is 5. If each observation is multiplied by 3, then the new variance becomes 45. [2] The variance of 20 observations is 5. If each observation is increased by 10, then the new variance becomes 15. Which of the statements given above is/are true?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both 1 and 2
- 2Neither 1 nor 2
- 3Only 2
- 4Only 1✓
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