TY  - GEN
AU  - Guliford, J P
TI  - Fundamental statistics in psychology and education
T2  - Mc Graw- Hill Series in Phychology
U1  - 519.502 415 GUI 
CY  - Newyork, Mc Graw- Hill Book Company Inc
KW  - Statistics/ Frequency distribution/ Porbability/ Accuracy of prediction
ER  -