The responses were checked against the original details of tenure, area and age to ensure the responses were representative of the tenant population as a whole.
Cafodd yr ymatebion eu gwirio yn erbyn manylion gwreiddiol deiliadaeth, ardal ac oedran i sicrhau bod yr ymatebion yn gynrychioliadol o'r boblogaeth tenantiaid yn ei chyfanrwydd.