1CommunicationsChannels2N(N-1)2TeamSizeandCommunicationChannelsN4561020Chnls6101545190Teamsizejustincreasedfrom5to10,howmany“additional”communicationchannelsarethere?PMBOK(Noref)(Handoutp.56)3CommunicationsChannelsN(N-1)/2CommunicationsChannelsPeopleonProject4SampleExamQuestionYoucurrentlyhave5peopleonyourproject.Itisabouttobeincreasedto10.Howmanymorecommunicationschannelswillyouhave?a.10b.35c.45d.545SampleExamQuestion•Justalittlemathproblem.•UseFormulaN(N-1)/2•With5people–5(5-1)/2=5(4)/2=20/2=10•With10people–10(10-1)/2=10(9)/2=90/2=45•Answer:45–10=356SampleExamQuestionYoucurrentlyhave5peopleonyourproject.Itisabouttobeincreasedto10.Howmanymorecommunicationschannelswillyouhave?a.10b.35c.45d.54