Chatfield, C. (1995). Problem solving a statistician's guide (2a. ed.). Chapman and Hall.
Tohutoru Kātū Chicago (17th ed.)Chatfield, Chris. Problem Solving a Statistician's Guide. 2a. ed. Londres: Chapman and Hall, 1995.
Tohutoro MLA (9th ed.)Chatfield, Chris. Problem Solving a Statistician's Guide. 2a. ed. Chapman and Hall, 1995.
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