Exam1 (posted 2/8/07)

Solution of Exam 1 (posted 2/8/07)

Histogram of exam1 (posted 3/19/07)

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Exam2(posted 3/19/07)

Solution of Exam 2 (posted 3/21/07)

Histogram of exam2 (posted 3/19/07)

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Exam3(posted 4/30/07)

Solution of Exam 2 (posted 4/30/07)