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DASCA Senior Data Scientist Sample Questions:

1. Which classification steps are performed in inductive techniques?
i. Training Step
ii. Test Step
iii. Validation Step
iv. Application Step

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

2. 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) ii, iii
B) i, iii
C) i, ii
D) i, ii, iii

3. Spark programs can be written in:

A) Python
B) All of the above
C) None of the above
D) Java
E) Scala

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

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

5. Which of the following errors refers to the wrong negation of a true null hypothesis?

A) Logical Error
B) Hypothesis Error
C) None of the above
D) Type II Error
E) Type I Error

Solutions: