TY  - GEN
AU  - Mangal,S.K.
TI  - Statistics in psychology and education 
SN  - 8120320883
U1  - 519 
PY  - 2002///
CY  - New Delhi
PB  - Prentice - Hall of India Pvt. Ltd.
KW  - Probabilities and statistical calculations
KW  - Statistics - meaning and data
KW  - Measures of variability
KW  - Linear correlation
KW  - Non - parametric tests
ER  -