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Basic statistics
Blackwell, David, (1969)
Economic statistics and econometrics : an introduction to quantitative economics
Kane, Edward James, (1968)
Basic Statistics
Leabo, Dick Albert, (1972)
Statistical techniques in business and economics
Mason, Robert Deward, (1996)
Mason, Robert Deward, (1986)
Statistical techniques in business & economics
Lind, Douglas A., (2002)