nag_nonpar_test_sign (g08aac) Example Program Results Sign test Data values 4 4 5 5 3 2 5 3 1 5 5 5 4 5 5 5 5 2 3 3 3 3 3 3 3 2 3 2 2 5 2 5 3 1 Test statistic 3 Observations 14 Lower tail prob. 0.029