american indian and alaska native owned firms 2002 economic census survey of business owners company statistics series issued june 2006 sb02 00cs aian us department commerce economics administration bureau many persons participated in the various activities sbo report was prepared division under direction ewen m wilson chief overall planning management coordination this were supervision ruth a runyan assistant for surveys programs implementation lee r wentela branch assisted by valerie c strang section primary staff assistance provided melody atkinson ahmad bakhshi lori e bowan anthony caruso trey cole elaine emanuel mary g frauenfelder geoffrey s hill kimberly hollingsworth james jarzabkowski mathematical statistical techniques carol v caldwell research methods mark sands richard moore improvement sample design imputation estimation variance methodology developed w hunt with from lieu galvin