TY  - BOOK
AU  - C.  P.  Ormell
TI  - An introduction to probability and statistics, including teacher's guide
T2  - School and college mathematical texts
SN  - 050015486
U1  - 519.5 O73i 
PY  - 1968///
CY  - London
PB  - Oliver & Boyd
KW  -  Probabilities.
KW  - Statistics
ER  -