tools for data science coursera week 2 quiz answers

Practice Quiz - Languages

1. Which of the following options determines your choice of language to learn in data science?

  • Size of organization
  • Number of people who have the problem
  • Duration of the problem
  • Problem to be solved and for who are you solving for

2. In Python, which library is used for Artificial Intelligence?

  • Pandas
  • TensorFlow
  • NumPy
  • SciPy

3. What are the differences between Python and R languages?

  • Python is open source, and R is free software.
  • Python and R both are focused on a set of values
  • Python has a different set of licenses than R.
  • Python is free, while R is chargeable.

4. What is the primary purpose of SQL?

  • To manage unstructured data
  • To query and handle structured data
  • To process language
  • To translate from math to code

5. Which of the following language is an object-oriented programming language?

  • Scala
  • Julia
  • Java
  • C

Graded Quiz - Languages

6. What does Python use for Natural Language Processing?

  • Pandas
  • Keras
  • TensorFlow
  • Natural Language Toolkit

7. In Python, which library is not used for Data Science?

  • Pandas
  • SciPy
  • Caffe
  • Natural Language Toolkit

8. Which of the following is developed using the R language?

  • Automation
  • Relational DBMS
  • Graphing
  • Image processing

Shuffle Q/A 1

9. Which statement is true for Open source and free software?

  • Open source is more business focused, while free software is more focused on a set of values.
  • Both open source and free software doesn’t support collaboration.
  • Open source is more focused on a set of values, while free software is more business focused.
  • None of the above.

10. Which of the following is a global R community?

  • useR
  • RealPython
  • HackerEarth
  • PyLadies

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