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Combine mean calculated by different given mean is ________?
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An1x1 + n2x2x + _____ nuxu/n1 +n2 + ___ + nu
Bn1x1 + n2x2x + _____ nuxu/x1 + x2 + ____ x4
n1x1 + n2x2x + _____ nuxu/n1 + n2 + ___+ nu
D∑n1x/x1
Correct Answer: C. n1x1 + n2x2x + _____ nuxu/n1 + n2 + ___+ nu
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