Inkcazelo emfutshane:
I-SQUARE IKHOLAM OKWENZIWA KOMSEBENZI WOKUSOMBA: 1. Itheyibhile ye-Z5140B, i-Z5150B ilungisiwe kwaye i-Z5140B-1, Z5150B-1 i-cross table.2. Lo matshini unako ukwandisa umngxuma, ukugrumba umngxuma onzulu, ukucofa, ukukruqula njalo njalo ngaphandle komngxuma wokugrumba.3. Lo matshini woluhlu uneenzuzo ezininzi, ezifana nokusebenza okuphezulu, ukuqina okuhle, ukuchaneka okuphezulu, ingxolo ephantsi, uluhlu olubanzi lwesantya..