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NemiM [27]
3 years ago
13

The combined mean and variance of falary of 250 workers of city A and B are 560 and 5497

Mathematics
1 answer:
exis [7]3 years ago
7 0
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
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