
Data Cleaning and techniques

Quiz
•
Mathematics
•
9th - 12th Grade
•
Medium
+3
Standards-aligned
Desmond Smith
Used 3+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Your data is considered ___ when you did not remove any data from the data set.
clean
raw
untouchable
original
Tags
CCSS.RI.11-12.4
CCSS.RI.7.4
CCSS.RI.8.4
CCSS.RI.9-10.4
CCSS.RI.9-10.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Data scientists spend most of their time doing ______
finding and getting data
thinking about problems and questions to ask
preparing and cleaning data
interpreting analysis results
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why must we worry about missing data?
Can add bias to a model
Inaccurate results
Need to prepare training data
Analysis not perfect
Tags
CCSS.HSS.IC.B.3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Data tidying is the process of structuring data in a way that makes it easy to analyze and use.
True
False
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What action should be taken to handle duplicate data?
Using Text-to-Columns
Applying filters
Removing duplicates
Formatting data
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is data cleaning?
The process of organizing and structuring data in a dataset
The process of analyzing and interpreting data in a dataset
The process of collecting and gathering data for a dataset
The process of identifying and correcting or removing errors, inconsistencies, and inaccuracies in datasets to improve their quality and reliability.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is data filtering and sorting?
Data filtering and sorting involve organizing data in a random order.
Data filtering and sorting involve removing all data from a dataset.
Data filtering and sorting involve rearranging data based on alphabetical order.
Data filtering and sorting involve selecting a subset of data based on specific criteria and arranging it in a specific order.
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