Lewis, John P.
Statistics explained
Addison-Wesley, 1999
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Besag, Frank P.
Statistics for the helping professions
Sage, 1985
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Haber, Audrey
General statistics
Addison-Wesley , 1971
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Dielman, Terry E.
Applied regression analysis : a second course in business and economic statistics
Thomson Brooks/Cole, 2005
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Shao, Stephen P.
Statistics for business and economics
Charles E. Merrill, 1976
Buku Teks SO