If the mean and variance of the following data $6,10,7,13,a,12,b,12$ are$9$and $\frac{37}{4}$ respectively, then ${(a-b)}^{2}$ is equal to

[JEE Main 2021, 27 Jul (Shift 1)]

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If the mean and variance of the following data $6,10,7,13,a,12,b,12$ are$9$and $\frac{37}{4}$ respectively, then ${(a-b)}^{2}$ is equal to [JEE Main 2021, 27 Jul (Shift 1)]

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If the mean and variance of the following data \(6,10,7,13,a,12,b,12\) are\(9\)and \(\frac{37}{4}\) respectively, then \…

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