Scrum is neither agile nor lean, though its possible for an organization following agile or lean principles to adopt Scrum (as a starting point.)
If you are using a externally-defined methodology rather than driving your methodology based on continuous objective review of what works and does not work for your organization, you are neither agile nor lean, just cargo culting.
If you are using a externally-defined methodology rather than driving your methodology based on continuous objective review of what works and does not work for your organization, you are neither agile nor lean, just cargo culting.