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QUIZ 2 – Report

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Academic year: 2022

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(1)

QUIZ 2 – Report

General

Total number of students 42

Attended 41

Missed 1

Average grade 7.30

Standard deviation of grades 1.74

Grade distribution

Comparison with last five years

(2)

Grade history

Attendance history

Comments

• 48.8% of students did not calculate correctly the pressure difference as per P2 - P1 = (ρmercury - ρgasoline) g h

Instead they considered only the mercury density, according to P2 - P1 = ρmercury g h.

• 12.2% of students did not consider at all the pressure difference P2 - P1

.

• 34.15% of students did not put V2 = 0.

• Few students made mistakes with the units.

Références

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