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)]

Question

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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