Yes this is average score per alliance. Finding average score per robot given the alliance data is what OPR is used for.
Edit: All data available from Friday via the FRCFMS is now on Miner. Traverse City appears to have had some issues with the FMS and is missing several matches. A good example is Kettering, since I know all the FMS data is going out
http://www.frcminer.com/e/miket