Assume that you are working on a data science project and needs to analyze dataset. Do you think data wrangling important in your analysis? Why.

Data Wrangling

Quiz
•
Computers
•
University
•
Easy
Revathi Prakash
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Yes. Data wrangling is primarily focused on data visualization.
Yes. Data wrangling is a step that can be skipped in analysis.
Yes. Data wrangling prepares and cleans data for analysis.
No. Data wrangling is only necessary for large datasets.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What are the common steps involved in data wrangling process. Choose the one in correct order.
data collection,
data cleaning,
data transformation, data enrichment, data validation
data collection,
Data Analysis
data cleaning,
data transformation
data collection,
data transformation, Data visualization
Data storage
Data Analysis
Data Visualization
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Krish is working on a project that involves analyzing customer feedback data. Help him to understand the difference between data cleaning and data wrangling?
Data cleaning means correcting errors. Data wrangling means transforming data into a usable format.
Data cleaning is the same as data wrangling.
Data wrangling only involves data visualization.
Data cleaning is only about removing duplicates. Data Wrangling means Data analysis
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is data normalization?
Data normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.
Data normalization is the process of deleting all data from a database.
Data normalization involves creating multiple copies of the same data for backup.
Data normalization is the method of encrypting data to enhance security.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How to handle missing data during the wrangling process?
Assume missing data is zero
Duplicate existing data to fill gaps
Ignore missing data completely
Remove, impute, or encode missing data.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of data visualization in data wrangling?
Data visualization helps in identifying patterns and anomalies during data wrangling
Data visualization has no impact on decision-making.
Data visualization complicates the data wrangling process.
Data visualization is only useful for creating reports.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the importance of data enrichment in the data wrangling process?
Data enrichment is only necessary for small datasets.
Data enrichment adds additional relevant information to the dataset, improving the quality
Data enrichment is the process of visualizing data.
Data enrichment involves deleting unnecessary data.
Create a free account and access millions of resources
Similar Resources on Quizizz
10 questions
IIP D1 - Introduction to Data Analysis

Quiz
•
University
10 questions
Data Visualization

Quiz
•
University
15 questions
ITS665_Quiz1_Chap1

Quiz
•
University
10 questions
Data wrangling MCQ

Quiz
•
University
10 questions
Power BI

Quiz
•
University
12 questions
Data visualization

Quiz
•
10th Grade - University
12 questions
Bài 9A: Sử dụng công cụ xác thực dữ liệu

Quiz
•
9th Grade - University
10 questions
Tableau

Quiz
•
University
Popular Resources on Quizizz
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade