This quiz will test your knowledge of key concepts in data visualization and data science. You will be asked questions about visualization best practices, different chart types, and commonly used Python libraries like Matplotlib, Seaborn and Plotly.

The number of attempts remaining is 5

1 / 30

Which method exports a Plotly figure to an image file?

A) fig.to_file('fig.png')

B) fig.export('fig.png')

C) fig.write_image('fig.png')

D) fig.save('fig.png')

2 / 30

Which function is used to create a histogram in Matplotlib?

A) plt.hist()

B) plt.histogram()

C) plt.draw_hist()

D) plt.plot_hist()

3 / 30

How would you save a plot as an image file in matplotlib?

A) plt.save('filename.png')

B) plt.to_file('filename.png')

C) plt.savefig('filename.png')

D) plt.export('filename.png')

4 / 30

What type of chart is best for showing proportions within a whole?

A) Line chart

B) Scatter plot

C) Bar chart

D) Pie chart

5 / 30

How do you save a Plotly figure as HTML?

A) export_html('fig.html')

B) fig.write_html('fig.html')

C) fig.save_as_html('fig.html')

D) fig.to_html('fig.html')

6 / 30

Which layout attribute sets the y-axis title?

A) y_label

B) ytitle

C) set_ytitle

D) yaxis.title

7 / 30

What is facetting in data visualization?

A) Scaling the plot for different devices

B) Combining multiple plots into subplots

C) Relabeling the axes and legends

D) Dividing the plot area into panels to show subsets of data

8 / 30

What is the purpose of a boxplot in data visualization?

A) To create 3D plots

B) To plot time series data

C) To show relationships between categorical variables

D) To visualize the distribution of quantitative data across categories

9 / 30

Which seaborn function is used to draw a line plot?

A) sns.plot_line()

B) sns.lineplot()

C) sns.lines()

D) sns.draw_line()

10 / 30

Which Plotly method updates axes properties (like ranges) non-uniformly?

A) update_axlims()

B) fig.update_xaxes()

C) axes_update()

D) fig.update_axes()

11 / 30

Which parameter sets the linewidth in Matplotlib?

A) set_width()

B) linewidth

C) width_line

D) line_width

12 / 30

Which attribute sets the font properties in Plotly layout?

A) set_font

B) layout.font

C) font_family

D) font_props

13 / 30

What type of object is returned when a Plotly figure is created?

A) Layout

B) Figure

C) GraphObject

D) Plot

14 / 30

Which function is used to add subplots in Matplotlib?

A) plt.add_subplot()

B) plt.subplots()

C) plt.create_subplot()

D) plt.subplot()

15 / 30

How do you add a legend to a Plotly figure?

A) add_legend()

B) legend=True

C) show_legend()

D) layout.legend.showlegend=True

16 / 30

What type of chart is best for showing data trends over time?

A) Bar chart

B) Pie chart

C) Scatter plot

D) Line chart

17 / 30

How do you set the size of a figure in matplotlib?

A) plt.figure(figsize=(width height))

B) plt.resize(width height)

C) plt.size(width height)

D) plt.set_size(width height)

18 / 30

How do you display a Plotly figure inline in a Jupyter notebook?

A) plot(fig)- Displays inline

B) show_inline(fig)

C) fig.show() - Displays inline by default in Jupyter

D) fig.display()

19 / 30

Which color palette is used by default in seaborn plots?

A) default

B) predefined

C) 'muted'

D) plt.colors()

20 / 30

Which Plotly class is used to create bar charts?

A) BarChart()

B) go.Bar()

C) plotly.graph_objects.Bar()

D) bar_plot()

21 / 30

Which function in matplotlib is used to create a scatter plot?

A) plt.scatter_plot()

B) plt.plot_scatter()

C) plt.draw_scatter()

D) plt.scatter()

22 / 30

How do you add a grid to a matplotlib plot?

A) plt.set_grid(True)

B) plt.add_grid(True)

C) plt.gridlines(True)

D) plt.grid(True)

23 / 30

Which layout attribute sets grid line properties?

A) layout.grid

B) gridlines

C) set_grid

D) xaxis_grid

24 / 30

Which seaborn function is used to draw a boxplot?

A) sns.box()

B) sns.boxplot()

C) sns.plot_box()

D) sns.draw_box()

25 / 30

What type of plot is used for visualizing relationships between two continuous variables?

A) Pie chart

B) Line chart

C) Scatter plot

D) Bar chart

26 / 30

What principle states that graphs should maximizeink ratio (data-to-ink ratio)?

A) Chartjunk principle

B) Tufte's data-ink maximization principle

C) Visual hierarchy principle

D) Lie Factor principle

27 / 30

Which parameter controls the size of markers in a matplotlib scatter plot?

A) s

B) marker_size

C) plot_size

D) size

28 / 30

How do you set the width of bars in a seaborn barplot?

A) set_width(0.8)

B) width_bar=0.8

C) bar_width=0.8

D) width=0.8

29 / 30

Which keyword argument controls marker size in Plotly scatter plots?

A) size

B) point_size

C) s

D) marker_size

30 / 30

What type of visualization shows relationships between data clusters?

A) Heatmap

B) Tree map

C) Scatter plot matrix

D) Choropleth map

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