
Data science
Authored by Daphne Brown
Computers
10th Grade
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is data cleaning?
The process of detecting and correcting incorrect, incomplete, and irrelevant data in a database.
Gathering and measuring data, which can include surveys and other collection tools.
The process of verifying that data has been cleaned, corrected, and properly formatted.
Presenting data in a visually appealing way.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in data cleaning?
fix errors
remove duplicates
handle missing data
filter out outliers
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qualitative data is Data that is non-numeric resulting from open-ended collection.
True
False
4.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Quantitative data uses...
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is web scraping?
Using data to help determine what may happen in the future.
Data collected and analyzed by another source.
Collecting data that is publicly available on the internet, usually using an automated tool.
Data that is collected by a person or business for their own use.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What form of data is used to help determine what may happen in the future.
predictive data
primary data
secondary data
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Open ended surveys consist of primary, and qualitative data
True
False
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