thresh P-value %words %seq Nwords Nseq total_words total_seq 6.6867 0.0001 7.0% 6.4% 8 8 115 125 5.8216 0.0005 33.9% 31.2% 39 39 115 125 5.2956 0.001 48.7% 44.8% 56 56 115 125