Combine mean calculated by different given mean is ________?

A. ?n1x/x1

B. n1x1 + n2x2x + _____ nuxu/n1 + n2 + ___+ nu

C. n1x1 + n2x2x + _____ nuxu/n1 +n2 + ___ + nu

D. n1x1 + n2x2x + _____ nuxu/x1 + x2 + ____ x4

Be the first to comment if anything wrong with this mcq
Your comment successfully submitted!
It will automatically posted after review and approval by our staff member.