References
- LYNCH , R. M . 1988 . Teaching Statistics , 10 ( 2 ) : 46 – 48 .
- HOMBAS , C. V . 1991 . Teaching Statistics , 13 ( 3 ) : 87 – 89 .
- LINDEMAN , H. R , MERENDA , F. P and GOLD , Z. R . 1980 . Introduction to Bivariate and Multivariate Analysis , New Jersey : Scott, Foresman and Company .
- CHAN , T. F , GOLUB , G. H and LEVEQUE , R. J . 1983 . Am. Statistician , 37 ( 3 )
- NELSEN , B. R . 1998 . Am. Statistician , 52 : 343 – 345 .
- FREUND , E. J and SIMON , A. G . 1992 . Modern Elementary Statistics , 8th edn , Englewood Cliffs, NJ : Prentice-Hall International Editions .
- HILL , I. D . 1979 . Teaching Statistics , 1 ( 3 ) : 81 – 84 .
- JOLLIFFE , F. R . 1999 . Teaching Statistics , 21 ( 3 ) : 84 – 87 .
- DORFMAN , H. J . 1996 . Am. Statistician , 50 : 151 – 155 .
- PEIXOTO , J. J . 1993 . Am. Statistician , 47 : 194 – 197 .