Newbold, Paul.
Statistics for business and economics. - 3rd ed. - Englewood Cliffs : Prentice Hall, 1991. - Book.
0138506450
Statistical methods--Business.
Statistical methods--Economics.
Statistics for business and economics. - 3rd ed. - Englewood Cliffs : Prentice Hall, 1991. - Book.
0138506450
Statistical methods--Business.
Statistical methods--Economics.