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Quiz 12 Report 12/11/2020

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Quiz 12 Report 12/11/2020

1. Summary

Total number of students 10

Attended 8

Missed 2

Average grade 8.88

Standard deviation of grades 1.33

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2 2. Comments

• Some of students did not plug in 𝑟 = 𝑎 when they derive the 𝑣𝜃

• Several students could not answer for the sub-question of (a) correctly

• One student calculated wrong answer for (b) even though he derived correct answer for (a)

• One student made a mistake for calculating 𝑠𝑖𝑛3𝜋

2, so derived wrong answer for sub-question of (b)

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