WorksheetsDS: Chapter 1
Total questions: 17
Worksheet time: 25mins
Data Science is
The science of creating data.
It is a branch of Social Studies.
Multidisciplinary study of data collections for analysis, prediction, learning and prevention.
It is a specialized field of study under Artificlal Intelligence
Which steps in Data Science is correct?
Data Modeling ->Data Acquisition -> Clean Data ->Data Analysis ->Deployment and optimization
Data Acquisition -> Clean Data ->Data Analysis -> Data Modeling ->Deployment and optimization
Clean Data ->Data Analysis -> Data Modeling ->Deployment and optimization -> Data Acquisition
Data Modeling ->Data Acquisition -> Clean Data ->Data Analysis ->Deployment and optimization
In Data Acquisition stage, the following which type and source of data are correct.
User and Inventory data from transaction databases.
Social Engagement from Social Networks like Facebook Twitter.
Training Data from from tools like CrowdFlower, Mechanical Turk.
Customer Support data from Call Logs, Emails
Data integration involves combining data residing in different sources and providing users with a unified view of these data.
True
False
Predictive data modeling involves the collection of data on consumer behaviour to predict future consumer behaviour and to take action accordingly. Following are the valid examples of the same.
Recommendation systems (netflix, pandora, amazon, etc.)
Online user behaviour is used to predict best targeted ads
Customer purchase histories are used to determine how to price,stock, market and display future products.
Payroll data in the organization.
Data used for analysis can come from many different sources such as generated by
Machine
Human
All the answer
What will be the prerequisites for Data Science?
Machine Learning
Database
Imagination
Programming
Are mathematic-based field is one of the major core in Data Science?
True
False
Does Data Science dealing with
Pre-prepared and clean data
Messy and uncomplete data
The following which one is NOT under Data Science?
Collect the data
Analyze the data
design the machine and system
Design a predictive model
Are data and information is correlated?
True
False
Which of the following skills needed in computation thinking?
Decomposition
Pattern recognition
Algorithms
Programming
Which of the following is importance language for Data Science?
Java
R
Ruby
C++
Point out the correct statement:
Raw data is original source of data
Preprocessed data is original source of data
Raw data is the data obtained after processing steps
None of the Mentioned
Which of the following step is performed by data scientist after acquiring the data ?
Data Integration
Data Replication
Data Cleaning
All of the Mentioned
What is the Computational Thinking?
Solve simple problem
Break complication problem into many simple steps
Combine simple problem together into one step
Which of the following is Not the process of Computational Thinking
Decomposition
Algorithms
Programming
Pattern Recognition
