Q
Combine mean calculated by different given mean is ________?
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A
A. N1x1 + n2x2x + _____ nuxu/n1 +n2 + ___ + nu
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B
B. N1x1 + n2x2x + _____ nuxu/x1 + x2 + ____ x4
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C
C. N1x1 + n2x2x + _____ nuxu/n1 + n2 + ___+ nu
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D
D. βn1x/x1
Correct Answer:
C. C. N1x1 + n2x2x + _____ nuxu/n1 + n2 + ___+ nu