Elementary statistical methods / [by] Helen M. Walker.
| Author/creator | Walker, Helen Mary, 1891- |
| Format | Book |
| Publication Info | New York : H. Holt and company, [1943] |
| Description | xxv, 368 pages : diagrams ; 24 cm |
| Subjects |
| Bibliography note | Includes bibliographies. |
| Other title | Statistical methods. |
| LCCN | 43008152 |