thresh P-value %words %seq Nwords Nseq total_words total_seq 7.0423 0.0001 7.5% 8.2% 4 5 53 61 6.3194 0.0005 47.2% 41.0% 25 25 53 61 5.677 0.001 67.9% 60.7% 36 37 53 61