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The combined mean and variance of falary of 250 workers of city A and B are 560 and 5497 respectively, find the mean and variance of the salary in city A.
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The combined mean and variance of falary of 250 workers of city A and B are 560 and 5497

respectively, find the mean and variance of the salary in city A.

User Richyen
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1 Answer

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I don’t know the answer to the question but I don’t know what to do with the question question but I don’t know what to do with the A 560
User Chamath Jeevan
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