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JEE Main Math Class 12 Statistics Part 2 Questions

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Question : 5

Total: 28

Let a,b,c∈N and a<b<c. Let the mean, the mean deviation about the mean and the variance of the 5 observations 9,25,a,b,c be 18,4 and ‌

, respectively. Then 2a+b−c is equal to ______.

[8 Apr 2024 Shift 2]

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