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DASCA Senior Data Scientist Sample Questions:

1. Which of the following is NOT Structured data?

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

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

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

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

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

4. Which of the following is TRUE about monetization exercise?

A) The monetization exercise process then seeks to identify complementary or secondary recommendations that can be packaged and delivered along with that product or service
B) All of the above
C) The monetization exercise works by first understanding the product usage patterns and customer usage behaviors associated with a particular product and service
D) The monetization exercise provides an opportunity to uncover new product and/or service opportunities
E) Both B and C

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

Solutions: