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DASCA SDS Exam Syllabus Topics:

DASCA Senior Data Scientist Sample Questions:

1. Which of the following is NOT a process of Use Case?

A) Capture the decisions that the key business stakeholders need to make in order to support the organization's key business initiatives
B) Understand your organization's key business initiatives or business challenge
C) Brainstorm the questions that the key stakeholders need to answer to facilitate making the decisions
D) Brainstorm the outcomes that the key stakeholders need to answer to facilitate making the decisions
E) Identify your key business stakeholders

2. 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) Business decisions
E) Key business entities

3. Bernoulli random variable is a type of:

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

4. ARIMA model is:

A) All of the above
B) Autoreactive moving average
C) Autoresponsive moving average
D) Autoregressive moving average
E) Autointeractive moving average

5. Which of the following is correct?

A) The central object in Pandas is called a DataFrame
B) A data frame is a table with rows and columns
C) All of the above
D) Both A and B
E) DataFrame is similar to SQL tables or R data frames

Solutions: