Mastering Pandas: A Quiz Challenge

Which of the following is the correct way to import the pandas library in Python?

• `import panda as pd`

• `import pandas as pd`

• `import Pandas`

• `from pandas import *`

What is the primary data structure used in pandas for tabular data?

• Series

• DataFrame

• Array

• List

How do you create a DataFrame from a dictionary in pandas?

• `pd.DataFrame(dictionary)`

• `pd.Series(dictionary)`

• `pd.Table(dictionary)`

• `pd.Frame(dictionary)`

Which method is used to display the first 5 rows of a DataFrame?

• `df.tail()`

• `df.head()`

• `df.first()`

• `df.top()`

What does the `df.info()` function provide?

• Summary statistics of numerical columns

• Data types and non-null counts of columns

• Plots a graph of the DataFrame

• Saves the DataFrame to a file

Which method is used to select a single column 'Age' from a DataFrame `df`?

• `df['Age']`

• `df.Age()`

• `df.select('Age')`

• `df.get('Age')`

How do you select rows where the column 'Score' is greater than 80?

• `df[df.Score > 80]`

• `df['Score' > 80]`

• `df.select(Score > 80)`

• `df.loc[Score > 80]`

Which method is used to remove rows with missing values in a DataFrame?

• `df.dropna()`

• `df.remove()`

• `df.delete()`

• `df.clean()`

What does the `df.fillna(0)` function do?

• Removes all zero values

• Replaces all missing values with 0

• Fills the DataFrame with zeroes

• Drops all rows with zeroes

Which function is used to read a CSV file into a DataFrame?

• `pd.read_csv()`

• `pd.load_csv()`

• `pd.open_csv()`

• `pd.import_csv()`