Joan Welkowitz

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Introductory Statistics for the Behavioral Sciences
Welkowitz, Joan; Cohen, Barry H.; Ewen, Robert B.

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Introductory Statistics for the Behavioral Sciences
Welkowitz, Joan

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� 5.42

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Introductory Statistics: For the Behavioral Science, with the SPSS CD–ROM, Set
Welkowitz, Joan

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� 5.72

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Introductory Statistics for the Behavioral Sciences/Includes Software
Welkowitz, Joan; Ewen, Robert B.; Cohen, Jacob

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� 12.31

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Study Guide to Accompany Introductory Statistics: For the Behavioral Sciences
Ewen, Robert B.; Welkowitz, Joan; Cohen, Jacob

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� 17.90

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Introductory Statistics for the Behavioral Sciences
Welkowitz, Joan; Cohen, Barry H.; Lea, R. Brooke

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� 28.10

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Introductory Statistics for the Behavioral Sciences
Lea, R. Brooke; Cohen, Barry H.

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� 100.65

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