PySpark and AWS: Master Big Data with PySpark and AWS - Quiz (Group By)

This video tutorial guides students through a quiz using a student data CSV file. It covers reading the file into a dataframe, displaying student enrollment numbers by course, analyzing gender-based enrollment and total marks, and evaluating marks by age group. The video concludes with a prompt to solve the problem independently, with a solution discussion in the next video.

What is the first step when using the student data CSV file for analysis?

• Find the maximum marks

• Display the number of male students

• Read the file into a dataframe

• Calculate the average marks

After reading the CSV file into a dataframe, what should be displayed next?

• Total number of students enrolled in each course

• Number of students in each age group

• Average marks of all students

• List of courses offered

What information is displayed about male and female students in each course?

• Their ages

• Their total marks

• Their enrollment numbers

• Their attendance

Which of the following is NOT calculated for each gender in each course?

• Total marks

• Enrollment numbers

• Minimum marks

• Maximum marks

What statistical measures are calculated for each age group in each course?

• Enrollment numbers and total marks

• Minimum, maximum, and average marks

• Total and average marks

• Average and median marks