https://openlibrary.org/books/OL784355M.opdsStatistical techniques in business and economics2022-12-05T02:02:58ZRobert Deward Masonhttps://openlibrary.org/authors/OL229142A/Robert_Deward_MasonIrwinChicago1996xix, 871 p. :9th ed.Includes bibliographical references and index.
"Key formulas" [4 p.] inserted.enghttps://openlibrary.org/books/OL784355Mhttps://archive.org/details/statisticalte9thedmasourn:ISBN:0256139016urn:ISBN:025618904895016497