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HW 3 – Report

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HW 3 – Report

General

Total number of students 42 Number of submitted HW 39 Number of not submitted HW 3 Number of problems 7+1 Average grade (w/o bonus) 96.44 Standard deviation of grades 6.17 Undergraduate (w/ bonus)

Average grade 103.6

Standard deviation of grades 9.78 Graduate

Average grade 93.38

Standard deviation of grades 0.88

Individual problem breakdown

Problem 2.113 2.129 2.139 2.155 1.82 3.136 4.71 C2.3*

Average grade 9.34 9.62 9.97 9.91 9.85 9.94 8.86 10.00 Standard deviation of grades 1.12 0.95 0.16 0.41 0.54 0.33 2.27 0.00

*Based on the number of students who attempted to solve the problem

Grade distribution

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Grade history

Submission history

Comments

• Few students used the total volume instead of the submerged volume when computing the buoyancy (P2.113).

• Some students did mistakes in deriving the ratio H/L (P2.129).

• Some students did mistakes in deriving the stream function from the velocity potential (P4.71).

• 46% of the undergraduate students attempted to solve the comprehensive problem; all who attempted could solve the problem correctly.

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