Incluye referencias bibliográficas (p. 84-85). CONTENIDO: Introduction and overview -- Variability -- t Test -- Analysis of variance -- Completely randomized design -- Comparisons and trends -- Treatments by blocks -- Algorithms -- Factorial design -- Split-plot and repeated measures designs -- Appendix A. Percentage points of t distribution (2-Tailed) -- Appendix B. Upper percentage points of F distribution -- Appendix C. Upper percentage points of the Fmax statistic -- Appendix D. Studentized range (Tukey's HSD test) -- Appendix E. tD Distribution (Dunn's test).