Mathematics, 02.01.2022 19:30 Tokkey12
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.
Answers: 1
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The combined mean and variance of falary of 250 workers of city A and B are 560 and 5497
respectiv...
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