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Previous Year Question (PYQs)

Let sets A and B have 5 elements each. Let the mean of the elements in sets A and B be 5 and 8 respectively and the variance of the elements in sets A and B be 12 and 20 respectively. A new set C of 10 elements is formed by subtracting 3 from each element of  and adding 2 to each element of . Then the sum of the mean and variance of the elements of  is ___________.




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