Data Science and Machine Learning (Theory and Projects) A to Z - Pandas for Data Manipulation and Understanding: Pandas

The video tutorial for lecture 41 builds on quiz 37 by extending a pandas data frame. The task involves adding a new column for 'country' with entries 'Pakistan' and 'China'. Students are instructed to group the data by country and calculate the sum, practicing data grouping techniques.

What were the two fields used in the DataFrame from quiz 37?

• Name and Age

• Name and Vaccine

• Age and Country

• Country and Vaccine

What new column is added to the DataFrame in this quiz?

• Age

• Vaccine

• City

• Country

Which two countries are used as entries for the new column?

• Pakistan and China

• USA and UK

• India and China

• Brazil and Argentina

What is the purpose of grouping the DataFrame by the 'country' column?

• To calculate the average

• To sort the data alphabetically

• To filter the data

• To calculate the sum

What concept is being practiced by grouping the data and taking the sum?

• Data merging

• Data grouping

• Data sorting

• Data filtering