what is data science ibm coursera week 3 answers

The Final Deliverable

1. The Untied States Economic Forecast is a publication by McKinsey University Press.

  • False
  • True

2. The report discussed in the reading successfully did the job of using data and analytics to generate the likely economic scenarios.

  • False
  • True

3. According to the reading, it is recommended that a team waits until the results of analytics are out before they can decide on the final deliverable.

  • True
  • False

The Report Structure

4. The results section is where you craft your main arguments and present your conclusion.

  • True
  • False

5. The discussion section is where you introduce the research methods and data sources used for the analysis.

  • False
  • True

6. Adding a list of references and an acknowledgment section are examples of housekeeping, according to the author.

  • False
  • True

Final Exam

7. According to the Module 1 reading, “The Sexiest Job in the 21st Century”, a report published by the McKinsey Global Institute, in what year a shortage of 140,000 – 190,000 people with deep analytical skills in the United States is projected?

  • 2018
  • 2015
  • 2020
  • 2017

8. According to the Module 1 reading, “The Sexiest Job in the 21st Century”, what magazine called Data Science the sexiest job of the 21st century?

  • Harvard Business Review
  • Wired
  • Forbes
  • Bloomberg Businessweek

9. According to the Module 1 reading "What Makes Someone a Data Scientist”, Hal Varian, the chief economist at what company, declared that “the sexy job in the next ten years will be statisticians”?

  • Google
  • IBM
  • Microsoft
  • Facebook

10. According to the Module 1 reading “What Makes Someone a Data Scientist”, the author defines a data scientist as someone who finds solutions to problems by analyzing data using appropriate tool and then tells stories to communicate their finding to the relevant stakeholders.

  • False
  • True

11. According to the reading, “Data Mining”, the output of a data mining exercise largely depends on:

  • The programming language used.
  • The scope of the project.
  • The data scientist.
  • The quality of the data.

12. According to the Module 2 reading, “Data Mining”, when data is missing in a systematic way, you should do what?

  • Determine the impact of the missing data on the results and whether missing data can be excluded from the analysis
  • Find out who was managing the database
  • Stop immediately
  • Extrapolate and average the data

13. Based on the Module 2 reading, "Regression”, the real added value of the author's research on what type of properties is quantifying the magnitude of relationships between housing prices and different determinants?

  • Residential real estate
  • Commercial real estate
  • Foreclosed
  • Vacant

14. Based on the Module 2 reading, "Regression”, adding what type of room impacted the price of a home the most?

  • Theater room
  • Washroom
  • Bedroom
  • Game room

15. According to the Module 3 reading, "The Final Deliverable”, the ultimate purpose of _________ is to communicate findings to stakeholders to formulate policy or strategy.

  • Analytics
  • Big data
  • Data science
  • Sales

16. Based on The Module 3 reading, "The Final Deliverable”, it mentions a common role of a data scientist is to use what to build a narrative to communicate findings to stakeholders?

  • Big data
  • Spreadsheets
  • Analytics insights
  • Strategies

17. Based on the Module 3 reading, “The Report Structure”, regardless of the length of the final deliverable, the author recommends that it includes a _____, table of contents, executive summary, a methodology section, and a discussion section.

  • Dedication
  • Cover page
  • Project scope statement
  • Copy of the data set

18. An introductory section is always helpful in introducing the research methods and presenting the statistical calculations.

  • False
  • True

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