Statistics Mcqs
Q Combine mean calculated by different given mean is ________?
  • A A. N1x1 + n2x2x + _____ nuxu/n1 +n2 + ___ + nu
  • B B. N1x1 + n2x2x + _____ nuxu/x1 + x2 + ____ x4
  • C C. N1x1 + n2x2x + _____ nuxu/n1 + n2 + ___+ nu
  • D D. βˆ‘n1x/x1
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