Question 1

Which of these is NOT one of the main skills embodied by data scientists?

  • Machine learning

Question 2

What is the most important thing in Data Science?

  • The question you are trying to answer

Question 3

Which of these might be a good title for a forum post?

  • Removing rows with NAs in data.frame using subset(), R 3.4.3

Question 4

What’s the first step in the data science process?

  • Generating the question

Question 5

Which of these is an example of a quantitative variable?

  • Latitude