To evaluate our sampling strategy, we compare it with the pretrained model and fine-tuned model on 16 different corpora. The results show that our approach outperforms those baselines on all corpora: it achieves 1.6% lower phone error rate on average. 
 Question: By how much do they, on average, outperform the baseline multilingual model on 16 low-resource tasks?
1.6% lower phone error rate on average