TY  - GEN
AU  - Brichfield Interactive
TI  - Statistics & grouping data [computer file]
CY  - Cardiff
KW  - MATHEMATICS
KW  - BASIC STATISTICS
N1  - Brichfield Interactive; Professional ed. : version 3 ; CD 1 : Program CD-ROM ; CD 2 : Resource CD-ROM ; CD 3 : Birchfield Assessment Tool (BAT)
ER  -