 Na kotalela liste ya makambo oyo opesi, salá kalkile ya mwayene oyo kiliya azali kobimisa na magazini
 Na kotalela ba données oyo epesami, moyenne ya mbongo oyo client abimisaka na magasin ekoki ko calculer na kobakisa ba montants nionso mpe kokabola na nombre ya ba points ya ba données. $12 + $14 + $27 + $23 = $76 Ezali na 4 points de données, yango wana moyenne ya mbongo oyo client abimisaka ezali $76/4 = $19.