Exploring Python Dataframes

Exploring Python Dataframes

12th Grade

13 Qs

quiz-placeholder

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Exploring Python Dataframes

Exploring Python Dataframes

Assessment

Quiz

Computers

12th Grade

Medium

Created by

Mehdi SLAOUI

Used 2+ times

FREE Resource

13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is a DataFrame in Python?

A DataFrame is a type of database in SQL.

A DataFrame is a one-dimensional array in NumPy.

A DataFrame is a two-dimensional labeled data structure in pandas.

A DataFrame is a graphical representation of data in matplotlib.

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

How do you create a DataFrame using pandas?

You can create a DataFrame by importing it from a CSV file directly.

Use pd.DataFrame(data) where data can be a dictionary, list, or NumPy array.

DataFrame(data) is the correct syntax in pandas.

Use pd.create_dataframe(data) for creating a DataFrame.

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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

pandas.load_csv

pandas.import_csv

pandas.read_csv

pandas.read_file

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

How can you display the first five rows of a DataFrame?

df.first(5)

df.head(5)

df.take(5)

df.slice(0, 5)

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What method would you use to get the shape of a DataFrame?

df.size

df.describe()

df.info()

df.shape

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

How do you select a specific column from a DataFrame?

Use df.select('column_name') to get a column.

Use df['column_name'] or df.column_name to select a specific column.

Access df.column('column_name') to retrieve a column.

Call df.get_column('column_name') for selection.

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the purpose of the 'head()' method in a DataFrame?

To return the last n rows of a DataFrame.

To return a summary of the DataFrame's statistics.

To return the first n rows of a DataFrame.

To filter rows based on a specific condition.

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