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Let mean and variance of 6 observations a, b, 68, 44, 40, 60 be 55 and 194. If a > b then find a + 3b
Let mean and variance of 6 observations a, b, 68, 44, 40, 60 be 55 and 194. If a > b then find a + 3b
Updated On: Feb 18, 2026
- 211.83
- 201.59
- 189.57
- 198.87
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The Correct Option is B
Solution and Explanation
The correct option is (B): 201.59
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