Pandas DataFrame Quiz

What is a DataFrame in Pandas?

• A one-dimensional array

• A way to store data in rectangular grids

• A graphical representation of data

• A type of database

Which of the following is NOT a component of a Pandas DataFrame?

• Data

• Columns

• Index

• Rows

What method is used to read a CSV file into a DataFrame?

• pd.read_csv()

• pd.load_csv()

• pd.import_csv()

• pd.open_csv()

Which function is used to display the first n rows of a DataFrame?

• df.top(n)

• df.start(n)

• df.head(n)

• df.first(n)

How can you filter rows in a DataFrame based on a condition?

• Using SQL queries

• Using string matching

• Using Boolean indexing

• Using regular expressions

What does the method df.describe() provide?

• Basic statistical details of numerical columns

• A graphical representation of data

• The data types of each column

• The shape of the DataFrame

Which method is used to drop rows with missing values?

• df.clear_na()

• df.delete_na()

• df.remove_na()

• df.dropna()

What is the purpose of the df.groupby() method?

• To filter out missing values

• To merge two DataFrames

• To sort data in ascending order

• To group data according to some criteria

Which function is used to plot data from a DataFrame?

• df.graph()

• df.chart()

• df.plot()

• df.visualize()

What does the method df.fillna() do?

• Displays the DataFrame shape

• Counts the number of missing values

• Removes rows with missing values

• Fills missing values with a specified value