A demonstration of the exam-level variable override feature. The student is shown the same question several times, but each instance is set up to suggest a different error in the process of computing the median of a sample. The first instance is very easy, and the last is pretty hard.

A few questions showing how to use custom constants in different contexts.

In this question, the imaginary unit $\sqrt{-1}$ is written as $j$ instead of $i$.

The letters i, j and k are used to represent the standard 3D unit vectors.

In this question, $\tau$ represents the ratio of a circle's radius to its circumference, or $2\pi$.

Dane są średnia i odchylenie standardowe 1000-elementowej próby. Należy wyznaczyć 95% przedział ufności dla średniej w populacji.

The student is shown a GeoGebra worksheet containing a single point on a grid. They must move the point to the required coordinates.

The part is marked as correct if the point is in the right position.

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A graph (of a cubic) is given. The question is to determine the number of roots and number of stationary points the graph has. Non-calculator. Advice is given.

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ENG1003: Digital tutorial, Week 3, Semester 2

test 1

Øvelse i å gå fra kartesiske til polare basisvektorer.

Test på om studentene kan:

• Dekomponere vektorer i et sett basisvektorer
• Forstå hvordan polare basisvektorer avhenger av posisjon

Testing your ability to manipulate units.

This is a Numbas test for parametric hypothesis tests with psychology content. To be used in the mathematics wiki page.

This is a Numbas test covering linear programming techniques.

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