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 layout attribute sets grid line properties?

A) set_grid

B) layout.grid

C) xaxis_grid

D) gridlines

2 / 30

Which parameter sets the linewidth in Matplotlib?

A) line_width

B) width_line

C) set_width()

D) linewidth

3 / 30

How do you save a Plotly figure as HTML?

A) fig.save_as_html('fig.html')

B) export_html('fig.html')

C) fig.to_html('fig.html')

D) fig.write_html('fig.html')

4 / 30

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

A) plotly.graph_objects.Scatter()

B) go.Scatter()

C) plot.scatter()

D) scatter_plot()

5 / 30

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

A) plt.plot_scatter()

B) plt.draw_scatter()

C) plt.scatter()

D) plt.scatter_plot()

6 / 30

What type of visualization shows relationships between data clusters?

A) Tree map

B) Choropleth map

C) Scatter plot matrix

D) Heatmap

7 / 30

Which seaborn function is used to draw a bar plot?

A) sns.bar()

B) sns.plot_bar()

C) sns.draw_bar()

D) sns.barplot()

8 / 30

What is facetting in data visualization?

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

B) Scaling the plot for different devices

C) Combining multiple plots into subplots

D) Relabeling the axes and legends

9 / 30

What is the purpose of a boxplot in data visualization?

A) To show relationships between categorical variables

B) To visualize the distribution of quantitative data across categories

C) To plot time series data

D) To create 3D plots

10 / 30

Which seaborn function is used to draw a boxplot?

A) sns.plot_box()

B) sns.draw_box()

C) sns.boxplot()

D) sns.box()

11 / 30

What library is used in Python for interactive web-based data visualization?

A) Matplotlib

B) Bokeh

C) Seaborn

D) Plotly

12 / 30

What type of chart is best for comparing groups?

A) Bar chart

B) Pie chart

C) Scatter plot

D) Line chart

13 / 30

Which keyword argument controls marker size in Plotly scatter plots?

A) size

B) marker_size

C) point_size

D) s

14 / 30

What is the primary purpose of data visualization?

A) To create databases

B) To hide information

C) To make data look complex

D) To make data easier to understand and interpret

15 / 30

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

A) Bar chart

B) Line chart

C) Scatter plot

D) Pie chart

16 / 30

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

A) Pie chart

B) Line chart

C) Bar chart

D) Scatter plot

17 / 30

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

A) set_color('blue')

B) color='blue'

C) bar_color='blue'

D) color_bar='blue'

18 / 30

What is whitespace (white space) in data visualization?

A) The spacing between text characters

B) The background color of the plot

C) The margins around the page

D) Empty areas of the page or slide that separate individual graphics or groups of information

19 / 30

What is the purpose of a heatmap in data visualization?

A) To plot time series data

B) To draw 3D plots

C) To create interactive plots

D) To visualize data density or intensity across a 2D space

20 / 30

Which function in matplotlib is used to create a new figure?

A) plt.graph()

B) plt.figure()

C) plt.new()

D) plt.create()

21 / 30

How do you set the title of a plot in matplotlib?

A) plt.caption('Title')

B) plt.heading('Title')

C) plt.title('Title')

D) plt.set_title('Title')

22 / 30

Which method exports a Plotly figure to an image file?

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

B) fig.write_image('fig.png')

C) fig.export('fig.png')

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

23 / 30

What is overplotting in data visualization?

A) When the x and y axes are not labeled

B) When the legend is missing

C) When data points are plotted on top of each other

D) When there are too many colors in a plot

24 / 30

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

A) plot(fig)- Displays inline

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

C) fig.display()

D) show_inline(fig)

25 / 30

Which Plotly method updates and renders a figure on the screen?

A) fig.update_layout()

B) render()

C) fig.show()

D) update()

26 / 30

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

A) plt.set_size(width height)

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

C) plt.resize(width height)

D) plt.size(width height)

27 / 30

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

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

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

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

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

28 / 30

How do you change the fontsize of labels in Matplotlib?

A) label_size=16

B) fontsize=16

C) set_fontsize(16)

D) font_size=16

29 / 30

Which library in Python is primarily used for plotting data?

A) pandas

B) numpy

C) matplotlib

D) scipy

30 / 30

Which function is used to add subplots in Matplotlib?

A) plt.subplot()

B) plt.subplots()

C) plt.add_subplot()

D) plt.create_subplot()

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