What is the primary goal when grouping data by department?
PySpark and AWS: Master Big Data with PySpark and AWS - Project (Group By)

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Information Technology (IT), Architecture, Social Studies
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University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To count the number of employees in each department
To calculate the total revenue generated by each department
To find the average salary in each department
To list all employees in each department
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When grouping data by state, what is the first step?
Calculate the average age of employees
Identify unique states in the dataset
List all employees in each state
Determine the total revenue from each state
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the grouping process change when considering both state and department?
It requires listing all employees in each group
It involves creating nested groups for state and department
It requires calculating the average salary for each group
It involves creating a single group for all data
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of grouping data by both state and department?
A list of all employees in each state
The count of employees in each department within each state
The average age of employees in each state
The total revenue generated by each department
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a step in the grouping process described in the video?
Counting the number of items in each group
Calculating the total revenue for each group
Creating groups based on unique elements
Identifying unique elements in the dataset
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