Take lest: 7,2 Quality Assurance F X + C bblearn.astate.edu/webapps/assessment/take/launch.jsp? course_assessment_id=_381239_1&course_ pps M Gmail YouTube Maps Remaining Time: 1 hour, 04 minutes, 36 seconds. Question Completion Status: For the L18 OA shown, which column(s) can be used to study a two level factor? L18 (21 x 87) NO -DND-WN-WON --WNWN- N - W - WN N - W- WNWN-WN. WN - WN -WN -WN-WN- WN. -WN -WHWN-N -WN- WWN W N - N - W - W N - W N N -W N - WW N - - WIN - W - Wh NWWWNINE - -WWWNNN. NNN NNNNNN -- Group Click Save and Submit to save and submit. Click Save All Answers to save all answers. O O T Type here to search PSC