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DASCA Senior Data Scientist Sample Questions:

1. Exploratory analytic algorithms help the Data Science team to better:

A) Understand patterns in the data
B) Both A and B
C) Gain a high-level understanding of relationships
D) Understand the data content
E) All of the above

2. Which of the following is NOT a valid section of Big Data Strategy document?

A) Key business initiatives
B) Key decisions
C) Business decisions
D) Key business entities
E) Business strategy

3. Which of these statements reflects a null hypothesis?

A) There will be no relationship between caffeine consumption and performance
B) There will be a significant difference between group 1 and group 2
C) As temperature increases, so too will the level of aggression
D) Men will score higher than women on spatial awareness
E) Women will score higher than men on empathy

4. The DevOps movement is an outgrowth of which of the following software development methodologies?

A) Test-driven development and model-driven development
B) Promise-based algorithms
C) Agile
D) Waterfall

5. OCR (Optical Character Recognition) is an application used for:

A) Data mining
B) MapReduce
C) Big Data Analytics
D) Machine learning

Solutions: