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DASCA Senior Data Scientist Sample Questions:

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

2. Which of the following is an example of graphical model?

A) Both A and B
B) Geographical Networks
C) Both A and C
D) Markov Random Fields
E) Bayesian Networks

3. Which of the following is main Machine Learning Library in Python?

A) Matplotlib
B) SciPy
C) NumPy
D) Scikit-learn
E) None of the above

4. Which of the following is NOT an example of graphical model?

A) Flow charts
B) Geographical networks
C) Electrical circuits
D) Road maps
E) Computer networks

5. Which of the following standardizes scores similar to a percentile rank but preserves equal interval properties of a Z-score?

A) Medium Curve Equivalent (MCE)
B) High Curve Equivalent (HCE)
C) Trend analysis
D) None of the above
E) Normal Curve Equivalent (NCE)

Solutions: