rebelmaths

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sin vertically shifted Working 1_11_16

Dane są średnia i odchylenie standardowe z próby. Należy przeprowadzić test istotności dla średniej i zweryfikować postawioną hipotezę.

Used to test if it works

Friction

Friction

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Find a regression equation.

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The student is presented with a scenario then asked to select a sample size to investigate and the number of bins for a histogram of the data. Theoretical distributions of normal, uniform and lognormal distributions can be overlayed on the histogram. Student is asked to identify the most likely distribution and the mean of this distribution (within a +/-10% margin of error).

Questions on probability including tree and Venn diagrams

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This question is the one described in method 2 of the example "Apply a standard integral" in the Numbas documentation.

The student is shown a randomly chosen function to integrate. The function is one of $e^{kx}$, $x^k$, $\cos(kx)$, $\sin(kx)$, with $k$ a randomly chosen integer.

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Choose one from a list to identify the function shown in a graph. The function is a randomly selected sin, cos, or tan graph with random scale factor.

Simplifying algebraic expressions

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