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(:title Quiz: Python Plotting with Matplotlib:) (:keywords quiz, test, Python, plot, graph, scatter, introduction, course:) (:description Learning assessment on Python plotting with Matplotlib.:)

1. How do you plot a function y = f(x) after the statement import matplotlib.pyplot as plt?

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Incorrect. Use plt.plot(x,y) instead to indicate that the plt package is used to create the plot.

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Incorrect. Use plt.plot(x,y) to use the plot function.

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Incorrect. Use plt.plot(x,y) with matplotlib.pyplot renamed as plt as a shortened name.

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Correct.

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Incorrect. Switch the x and y and use plt. at the beginning.

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2. What is the symbol code for a black dashed line when plotting x and y?

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Incorrect. Blue solid line.

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Correct. Black dashed line.

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Incorrect. Blue bashed line.

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3. Why is it important to create a plot with trends that can be distinguished without color? Other things like line style or width are needed to distinguish trends. Select all that apply.

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Correct. There are an estimated 300 million people in the world with color vision deficiency. 1 in 12 men are color blind (8%). 1 in 200 women are color blind (0.5%).

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Correct.

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Incorrect. That statement is true, but does not explain why plots should be distinguished without color.

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