Ononot — A dataset has a mean \mu = 50 and variance \sigma^2 = 100. I

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Central Tendencyhard

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A dataset has a mean $\mu = 50$ and variance $\sigma^2 = 100$ . If we apply the linear transformation $y = ax + b$ such that the new mean is $60$ and the new variance is $400$ , which of the following values are possible for $(a, b)$ ?