DASCA Senior Data Scientist 認定 SDS 試験問題:

1. Which of these statements reflects a null hypothesis?

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

2. Which of the following is NOT an example of the applications of neural networks?

A) Image compression
B) Traveling salesman's problem
C) None of the above
D) Character recognition
E) Stock market prediction

3. Which of the following is a trend analysis component of time series decomposition?

A) Cyclical
B) Irregular
C) All of the above
D) Both A and B
E) Seasonal

4. The Big Data Vision Workshop process is ideal for organizations who:

A) Have a desire to leverage Big Data to transform their business but do not know where and how to start
B) Have a desire to leverage the Big Data Vision Workshop to identify where and how to leverage data and analytics to power their business models
C) All of the above
D) Have a wealth of data that they do not know how to monetize
E) Both A and B

5. Which of the following is NOT Structured data?

A) XML
B) Data tables
C) None of the above
D) CSV files
E) Relational databases

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