Python for Analysis Quiz

What Python library is commonly used for creating plots and charts?

(a)  

Which of the following are types of charts used for categorical data?

• Bar chart
• Pie chart
• Line chart
• Scatter plot

Which chart type is best suited for showing change over time?

• Bar chart
• Pie chart
• Line chart
• Histogram

What type of data is typically shown with a bar chart?

• Continuous values
• Categorical data
• Time series
• Geographical maps

Which library is commonly used for visualising dataframes in a statistical context?

• numpy
• pandas
• seaborn
• json

What does df.plot() return when used in pandas?

• A DataFrame
• A matplotlib plot
• A CSV file
• A list

Which of the following are ways to customize a chart using matplotlib?

• Add title
• Change color
• Use pivot tables
• Adjust axis labels

Which function is used to convert a column into datetime format in pandas?

• pd.to_datetime()
• pd.as_datetime()
• pd.convert_time()
• pd.time_parse()

Which column types are required for time-based plots in pandas?

• datetime
• object
• float
• timedelta

Which function would you use to calculate a percentage change over time?

• df.corr()
• df.shift()
• df.pct_change()
• df.describe()