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Mathematical methods of statistics
Cramér, Harald, (1957)
Elementary statistical methods as applied to business and economic data
Neiswanger, William Addison, (1956)
First course in probability and statistics
Neyman, Jerzy, (1950)
Statistical methods : applied to experiments in agriculture and biology
Snedecor, George W., (1964)
Statistical methods applied to experiments in agriculture and biology
Snedecor, George W., (1959)
Sampling techniques
Cochran, William G., (1953)