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Principles of statistics : traditional and Bayesian
MacGee, Victor E., (1971)
Methods of Statistical Analysis in Economics and Business
Lewis, Edward E., (1953)
Elements of statistics
Mode, Elmer B., (1961)
Applied general statistics
Croxton, Frederick Emery, (1950)
Measures of exports of the United States
Cowden, Dudley J., (1931)
Measures of Exports of the United States