The statistics are published as experimental statistics because they use new methods to understand the academic outcomes for post-16 learners during the coronavirus (COVID-19) pandemic.
Cyhoeddir yr ystadegau fel ystadegau arbrofol gan eu bod yn defnyddio dulliau newydd i ddeall deilliannau academaidd dysgwyr ôl-16 yn ystod y pandemig coronafeirws (COVID-19).