Sigma mathematics workbook : NCEA level 3 statistics and modelling /
Barton, David,1951-
Barton, David,1951-Sigma mathematics.
North Shore, N.Z. : Pearson Longman,
2007.
Senior secondary.
"... each exercise links to a corresponding exercise in the NCEA edition of Sigma Mathematics"--Back cover.
Senior secondary.
Mathematical statistics
Probabilities