Statistics for business and economics :
Mansfield, Edwin.
Statistics for business and economics : problems, exercises, and case studies / Edwin Mansfield. - 5th ed. - New York : W. W. Norton, 1994. - vii,344 p.
0393964882 :
Business statistics.
Statistics for business and economics : problems, exercises, and case studies / Edwin Mansfield. - 5th ed. - New York : W. W. Norton, 1994. - vii,344 p.
0393964882 :
Business statistics.