Cash management Unit

System

Hi all<BR><BR>This is my first time on this forum.<BR><BR>I need some help on time series analysis i have figures fot jan through to june and it says calculate the THREE moving averages. it doesnt really explain it in the book properly. i did it but I have 4 answers should I only have three?<BR><BR>I hope this makes sense, if it doesnt I will try and explain better<BR><BR>thanks<BR>Chez