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DASCA Senior Data Scientist Sample Questions:

1. Designing an algorithm to play chess is usually an example of which type of machine learning?

A) Pattern density
B) Clustering
C) Reinforcement learning
D) Supervised learning

2. Which of the following is a useful feature of functional programming?

A) Higher-Order Functions (HOFs)
B) Immutable Data
C) All of the above
D) Lazy Evaluation

3. Which of the following is an example of NLP?

A) Finding which text documents are about similar topics
B) Using Twitter to assess public sentiment
C) Both A and C
D) All of the above
E) Flagging e-mails as spam

4. Which of the following is used to summarize a dataset by showing the median, quantiles, and min/max values for each of the variables?

A) Histogram
B) Scatter Chart
C) Box Plots
D) Bar Charts
E) Pie Charts

5. Machine learning can be used in:

A) All of the above
B) Real-time ads on web pages and mobile devices
C) Web search results
D) Fraud detection
E) Pattern and image recognition

Solutions: