Python Pandas (ai gen)

What is the primary data structure in Pandas that is used to store and manipulate data?

• Array
• List
• DataFrame
• Dictionary

Which Pandas function is used to load a CSV file into a DataFrame?

• pd.load_csv()
• pd.read_csv()
• pd.open_csv()
• pd.import_csv()

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

• df.head()
• df.first()
• df.show()
• df.top()

What is the Pandas function used to filter rows in a DataFrame based on a specific condition?

• filter_rows()
• select()
• query()
• filter()

Which function is used to calculate summary statistics for numerical columns in a DataFrame?

• df.summary()
• df.statistics()
• describe()
• summary_stats()

What method is used to replace missing values in a DataFrame with a specified value?

• replace_null()
• fill_na()
• fill_missing()
• replace_missing()

Which plot type is best suited for comparing the distribution of a numerical variable in a DataFrame?

• Pie chart
• Histogram
• Line plot
• Scatter plot

What is the Pandas function used to group data in a DataFrame based on one or more columns?

• group_by()
• group()
• group_data()
• groupby()

Which Pandas method is used to merge two DataFrames based on a common column?

• merge()
• combine()
• join()
• concat()

How do you drop duplicate rows in a Pandas DataFrame?

• df.drop_duplicates()
• df.remove_duplicates()
• df.delete_duplicates()
• df.deduplicate()