Elementary Statistical Methods

gan Walker, Helen, M, (Walker, Helen, M)
Cyhoeddwyd 1958

Statistical Inference

gan Walker, Helen, M., (Walker, Helen, M)
Cyhoeddwyd 1953

Statistical inference /

gan Walker, Helen M.
Cyhoeddwyd 1953

Statistical inference /

gan Walker, Helen M.
Cyhoeddwyd 1965

Elementary statistical methods /

gan Walker, Helen M.
Cyhoeddwyd 1958

Elementary Statistical Methods

gan WALKER,Helen.M
Cyhoeddwyd 1965

Mathematics Essential for Elementary Statistics A Self-teaching Manual

gan Walker;Helen M.

Statistical inference

gan Walker, Helen M
Cyhoeddwyd 1965

Elementary statistical methods/2nd ed.

gan Walker, Helen, M.

Statistical inference

gan Walker, Helen, M.

Elementary statistical methods

gan Walker, Helen M.
Cyhoeddwyd 1958

Mathematics essential for elementary statistics a self teaching manual

gan Walker, Helen M.
Cyhoeddwyd 1951

Mathematics essential for elementry statistics

gan Walker, Helen M.
Cyhoeddwyd 1951

Mathematics essential for elementary statistics. Rev ed /

gan Walker, Helen M.
Cyhoeddwyd 1970

Mathematics essential for elementary statistics: A self teaching manual

gan Walker, Helen M
Cyhoeddwyd 1970

Mathematics essential for elementary statistics: A self teaching manual

gan Walker, Helen M
Cyhoeddwyd 1970

Mathematics essential for elementary statistics: A self teaching manual

gan Walker, Helen M
Cyhoeddwyd 1951

Statistical inference /

gan Walker, Helen M.
Cyhoeddwyd 1965

Elementary statistical methods /

gan Walker, Helen M.
Cyhoeddwyd 1974

Elementary statistical methods. Rev ed /

gan Walker, Helen M.
Cyhoeddwyd 1965