> names(morley) [1] "Expt" "Run" "Speed" > oneway.test(Speed ~ Expt, data=morley) One-way analysis of means (not assuming equal variances) data: Speed and Expt F = 3.006, num df = 4.00, denom df = 47.04, p-value = 0.02738The small p-value is consistent with the impression left after considering side-by-side boxplots that the centers are not the same.