Lies, Damned Lies, and Statistics

AKA "advocacy research".   It occurred to me that money isn't as scarce for the Walton family , or for the charter school corporations, as it is in public schools. http://www.npr.org/blogs/ed/2014/07/22/334049393/charters-money-and-test-scores?utm_source=facebook.com&utm_medium=social&utm_campaign=npr&utm_term=nprnews&utm_content=20140722