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Question Id : 3936 | Context : NIMCET 2019
Let \(x_i, i = 1,2,\ldots n\) be n observations and \(w_i = p x_i + k\), \(i = 1,2,\ldots n\) where p and k are constants. If the mean of \(x_i\)'s is 48 and standard deviation is 12, whereas the mean of \(w_i\)'s is \(55\) and standard deviation is \(15\), then the values of \(p\) and \(k\) should be:

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