The Data Scientist's Toolbox Quiz Questions | Course 1 In Specialization | Questions and
Answers| Exam Elaborations
Which of the following is an example of structured data?
a) lung x-ray images of smokers
b) database of people's addresses, phone numbers and zip codes
c) compilation of cat videos ** Answ** b) database of people's addresses, phone numbers
and zip codes
Which is NOT one of the three V's of Big Data?
a) volume, vibrant, vital
b) vast, versatile, vital
c) visible, variety, vast ** Answ** b) vast, versatile, vital
Which of these is NOT one of the main skills embodied by data scientists?
a) access to large data sets
b) hacking skills
c) substantive expertise ** Answ** a) access to large data sets
Which of these is an example of a quantitative variable?
a) clothing brand, genre, birthplace
b) occupation, height, gender
c) age, weight, height ** Answ** c) age, weight, height
, Quantitative variables are measured on ordered, continuous scales.
a) true
b) false ** Answ** a) true
What is the most important thing in Data Science?
a) knowing Hadoop and Pig
b) the question you are trying to answer
c) machine learning and prediction ** Answ** b) the question you are trying to answer
Which of these is NOT an effective way to communicate the findings of your analysis?
a) save code locally on your computer
b) presentation at a conference
c) write a scientific article ** Answ** a) save code locally on your computer
What's the first step in the data science process?
a) generating the question
b) exploring the data
c) analyzing the data ** Answ** a) generating the question
Why should you include links or citations to others' work?
a) it helps other quickly find information you've reference.
b) others' work is more important than your.
Answers| Exam Elaborations
Which of the following is an example of structured data?
a) lung x-ray images of smokers
b) database of people's addresses, phone numbers and zip codes
c) compilation of cat videos ** Answ** b) database of people's addresses, phone numbers
and zip codes
Which is NOT one of the three V's of Big Data?
a) volume, vibrant, vital
b) vast, versatile, vital
c) visible, variety, vast ** Answ** b) vast, versatile, vital
Which of these is NOT one of the main skills embodied by data scientists?
a) access to large data sets
b) hacking skills
c) substantive expertise ** Answ** a) access to large data sets
Which of these is an example of a quantitative variable?
a) clothing brand, genre, birthplace
b) occupation, height, gender
c) age, weight, height ** Answ** c) age, weight, height
, Quantitative variables are measured on ordered, continuous scales.
a) true
b) false ** Answ** a) true
What is the most important thing in Data Science?
a) knowing Hadoop and Pig
b) the question you are trying to answer
c) machine learning and prediction ** Answ** b) the question you are trying to answer
Which of these is NOT an effective way to communicate the findings of your analysis?
a) save code locally on your computer
b) presentation at a conference
c) write a scientific article ** Answ** a) save code locally on your computer
What's the first step in the data science process?
a) generating the question
b) exploring the data
c) analyzing the data ** Answ** a) generating the question
Why should you include links or citations to others' work?
a) it helps other quickly find information you've reference.
b) others' work is more important than your.
