TY  - GEN
AU  - Harper, WM
TI  - Statistics
SN  - 0712110402
U1  - 519.5 
PY  - 1991///
CY  - London
PB  - ELBS with Pitman
KW  - Correlation
KW  - Frequency distributions
KW  - Index numbers
KW  - Sampling theory
KW  - Statistics
ER  -