Ten subjects with bronchial asthma participated in an experiment to evaluate the relative effectiveness of three drugs. The following table shows the change in (forced expired volume in 1 second) values (expressed as liters) 2 hours after drug administration:

Drug Drug Subject A B C Subject A B C 1 .00 .13 .26 6 .03 .18 .25 2 .04 .17 .23 7 .05 .21 .32 3 .02 .20 .21 8 .02 .23 .38 4 .02 .27 .19 9 .00 .24 .30 5 .04 .11 .36 10 .12 .08 .30 Are these data sufficient to indicate a difference in drug effectiveness? Let What is the p value for this test?