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Data Science (Introduction)
Data Science (Introduction)
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Week 1
Flashcards
22 cards
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Practice quiz
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Questions
22
Answers
1
Is data science the same as statistics or analysis?
statistics & data analysis are parts of data science
yes, the terms are synonymous
the terms have no relationships
can use statistics to do data science
2
In simple terms, data science is looking for ____ from data
value
insights
information
knowledge
3
Infographics, word clouds, heat maps, graphs are examples of
Data graphs
Data story telling
Data product
Data visualization
4
Song recommendation, new policy, targeted advertising and trend predictor are examples of ___
Data outcomes
Data output
Data products
Data system
5
Do you need big data to do data science?
Yes, definitely.
Indifferent
Big and medium data
Size of data does not matter.
6
When you use data to plot a graph in your report, the report is considered to be _______.
Data driven
Data denial
Data informed
Data indifferent
7
Which is the hardest among these analysis?
predictive analysis
inferential analysis
causal analysis
exploratory analysis
8
Use of historical data & machine learning techniques to identify likelihood of future outcomes.
Inferential analysis
Descriptive analysis
Causal analysis
Predictive analysis
9
Based on the symptoms of the patient, general disease prediction is possible. The doctor is trying to find out ______
What the world was like
What the world is going to be like
10
________ is drawing useful conclusions from data using computation.
Data mining
Big data
Data driven
Data science
11
Which is the KEYWORD in data science?
Science
Data
None
Both
12
Data is considered big when the size is greater than
1 TB
1 GB
1 PB
1 ZB
13
Data science projects start with ___
Dataset
Question
Results
Problem area
14
Who is the data driven US president?
Donald Trump
Bill Clinton
Barrack Obama
George Bush
15
Hacking skills of data scientist means _______
expert in programming.
able to get data from different sources.
creative to build things & find clever solution to problem.
breaking into computers.
16
Data products from Malaysia include all these, except
Covid-19 Corona Tracker
Aerodyne
MySejahtera
MoneyLion
17
I have been collecting rainfall data for Ipoh since 2010. Then I plot them on a graph, I am trying to see ________
What the world was like.
What the world is going to be like.
18
Data analysis on textual data is known as ___
signal processing
machine learning
natural language processing
econometrics
19
Data science is new!
False
True
20
Theory if you buy certain set of items, you're more or less likely to buy another set of items.
Shopping cart model
Customer preferences
Market basket analysis
Association rules
21
Data are not taken for museum purposes! Then, for what?
basis for doing something
provide a basis for action or a recommendation for action
provide basis for planning
provide basis for decision making
22
Data driven opportunities includes the following except:
new business
better innovation
new research
new data