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DASCA Senior Data Scientist Sample Questions:

1. Bernoulli random variable is a type of:

A) Discrete random variable
B) Sometimes Discrete or sometimes Continuous random variable
C) Both A and B
D) Continuous random variable

2. In regression, the principle of machine learning is used to optimize the parameters to:

A) None of the above
B) Calculate the closest possible outcomes
C) Both A and B
D) Minimize the approximation error

3. Which of the following is correct?
i. LaTeX is used to publish work in a scientific journal
ii. LaTeX is a markup language that can be compiled into formatted documents iii. LaTeX is for publishing scientific papers

A) i, iii
B) i, ii
C) ii, iii
D) i, ii, iii

4. Which of the following is NOT a part of Internal Process Optimization?

A) Business Metamorphosis
B) Business Monitoring
C) Business Optimization
D) None of the above
E) Business Insights

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

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

Solutions: