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

What type of visualization shows relationships between data clusters?

A) Tree map

B) Choropleth map

C) Heatmap

D) Scatter plot matrix

2 / 30

What is a pivot table in data visualization?

A) A map to overlay data on geographic locations

B) A deep learning model for processing images

C) A tool for rearranging and summarizing data

D) A chart type to visualize time series data

3 / 30

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

A) plt.create()

B) plt.figure()

C) plt.new()

D) plt.graph()

4 / 30

Which Plotly class is used to create bar charts?

A) go.Bar()

B) BarChart()

C) bar_plot()

D) plotly.graph_objects.Bar()

5 / 30

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

A) width_bar=0.8

B) bar_width=0.8

C) width=0.8

D) set_width(0.8)

6 / 30

How do you change the number of bins in a Matplotlib histogram?

A) bins=10

B) n_bins=10

C) set_bins(10)

D) plt.hist(bins=10)

7 / 30

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

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

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

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

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

8 / 30

What is the purpose of a heatmap in data visualization?

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

B) To plot time series data

C) To create interactive plots

D) To draw 3D plots

9 / 30

What is whitespace (white space) in data visualization?

A) The background color of the plot

B) The margins around the page

C) The spacing between text characters

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

10 / 30

Which keyword argument controls marker size in Plotly scatter plots?

A) s

B) marker_size

C) size

D) point_size

11 / 30

Which function is used to add subplots in Matplotlib?

A) plt.subplot()

B) plt.create_subplot()

C) plt.add_subplot()

D) plt.subplots()

12 / 30

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

A) Plot

B) GraphObject

C) Layout

D) Figure

13 / 30

Which attribute sets the font properties in Plotly layout?

A) layout.font

B) font_props

C) font_family

D) set_font

14 / 30

What type of chart is best for visualizing hierarchical or multi-level categorical data?

A) Pie chart

B) Bar chart

C) Scatter plot

D) Tree map

15 / 30

How do you save a figure without displaying it in Matplotlib?

A) plt.savefig('figure.png')

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

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

D) plt.save('figure.png')

16 / 30

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

A) Tufte's data-ink maximization principle

B) Chartjunk principle

C) Lie Factor principle

D) Visual hierarchy principle

17 / 30

What is facetting in data visualization?

A) Combining multiple plots into subplots

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

C) Relabeling the axes and legends

D) Scaling the plot for different devices

18 / 30

What seaborn function is used to draw a point plot?

A) sns.points()

B) sns.pointplot()

C) sns.plot_points()

D) sns.draw_points()

19 / 30

Which Excel function creates a pivot table?

A) =TRANSPOSE()

B) =ANALYZE()

C) =SUMMARY()

D) =PIVOT()

20 / 30

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

A) Line chart

B) Scatter plot

C) Pie chart

D) Bar chart

21 / 30

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

A) Pie chart

B) Bar chart

C) Line chart

D) Scatter plot

22 / 30

Which method exports a Plotly figure to an image file?

A) fig.save('fig.png')

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

C) fig.to_file('fig.png')

D) fig.export('fig.png')

23 / 30

How do you change the fontsize of labels in Matplotlib?

A) fontsize=16

B) set_fontsize(16)

C) label_size=16

D) font_size=16

24 / 30

Which attribute sets axis line properties in Plotly layout?

A) show_axis_lines

B) set_axis_lines

C) layout.xaxis.showline/layout.yaxis.showline

D) axis_lines

25 / 30

How do you add a legend to a Matplotlib plot?

A) add_legend()

B) plt.add_legend()

C) legend()

D) plt.legend()

26 / 30

Which seaborn function is used to draw a boxplot?

A) sns.draw_box()

B) sns.plot_box()

C) sns.box()

D) sns.boxplot()

27 / 30

Which function is used to create a histogram in Matplotlib?

A) plt.hist()

B) plt.plot_hist()

C) plt.histogram()

D) plt.draw_hist()

28 / 30

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

A) plt.draw_scatter()

B) plt.scatter_plot()

C) plt.scatter()

D) plt.plot_scatter()

29 / 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)

30 / 30

How do you add a grid to a matplotlib plot?

A) plt.set_grid(True)

B) plt.grid(True)

C) plt.gridlines(True)

D) plt.add_grid(True)

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