Statistical analysis for administrative decisions / Charles T. Clark [and] Lawrence L. Schkade. Clark, Charles Tallifero. Schkade, Lawrence L., joint author. Social sciences Statistical methods. Management Statistical methods. Statistics. HA29 .C59 1974 311.23 CLS First ed. published in 1969 under title: Statistical methods for business decisions. Includes bibliographies. Cincinnati : South-Western Pub. Co., 1974. 1974. 1974 Text vii, 887 p. ; eng