What is Data Science? week-3, Final Answers.

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According to the Module 1 reading, “The Sexiest Job in the 21st Century”, what private-sector think tank published a report that projected there will be a shortage of 140,000 – 190,000 people with deep analytical skills in the United States by 2018?

McKinsey Global Institute


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


Question 3 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


Question 4 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.

True.

According to the Module 2 reading “Data Mining”, the output of a data mining exercise largely depends on the quality of what?

The data

According to the Module 2 reading, “Data Mining”, when data is missing in a systematic way, you should determine the impact of the missing data on the results and whether missing data can be excluded from what?

The analysis

Based on the Module 2 reading, "Regression”, which of the following best describes the real added value of the author's research on residential real estate properties?

Quantifying the magnitude of relationships between housing prices and different determinants.


Based on the Module 2 reading, "Regression”, the author’s research revealed that adding an additional washroom had a bigger impact than adding what type of room?

Bedroom


Question 9 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


The reading in Module 3, "The Final Deliverable”, mentions a common role of a ____________ is to use analytics insights to build a narrative to communicate findings to stakeholders.

Engineer


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

True.


Question 12 An introductory section is always helpful in introducing the research methods and presenting the statistical calculations.

False.