TY  - BOOK
AU  - Murray  R. Spiegel ,  Ph. D.
TI  - Theory and  Problems  of  Statistics
SN  - 0-07-112820-4
U1  - 310 
PY  - 1992///
CY  - London
PB  - McGraw  Hill
KW  - Economics
KW  - Variables  and  Graphs ,     Frequency  Distributions
ER  -