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Statistics in economics
Hey, John Denis, (1974)
Descriptive statistics and probability theory
Barks, Robert A., (1972)
Modern elementary statistics
Freund, John E., (1973)
Sampling inspection and quality control
Wetherill, George Barrie, (1977)
Sequential methods in statistics
Wetherill, George Barrie, (1975)
Wetherill, George Barrie, (1969)