Data Set Creation Exercises

What is the primary data structure in Pandas used for handling tabular data

• Series

• DataFrame

• Array

• List 

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

• pd.load_csv()

• pd.read_csv()

• pd.import_csv()

• pd.open_csv()

What method is used to filter rows in a DataFrame based on a condition?

• df.filter_rows()

• df.query()

• df.where()

• df.select()

Which function is used to concatenate two DataFrames along a particular axis?

• pd.merge()

• pd.join()

• pd.concat()

• pd.append()

What is the purpose of the pd.isnull() function in Pandas?

• To replace missing values

• To drop rows with missing values

• To fill missing values

• To check for missing values

What is the primary purpose of the Faker library in Python?

• Data visualization

• Generating fake data

• Database management

• Web scraping

Which of the following is NOT a type of data that can be generated by the Faker library?

• Email addresses

• Physical addresses

• Random colors

• Company names

To create sequences of numbers, NumPy provides a function __________ analogous to range that returns arrays instead of lists.

• arange

• aspace

• aline

• all of the mentioned

What is the output of np.zeros((2,3))?

• A 1D array of 6 zeros

• A 2x3 array filled with zeros

• A 2x3 array filled with ones

• An error

What is the correct way to reshape a 1D array of 12 elements into a 2D array with 3 rows and 4 columns?

• arr.reshape(3, 4)

• arr.reshape(4, 3)

• arr.reshape(2, 6)

• arr.shape(3, 4)