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IBM Watson Data Scientist v1 Sample Questions:

1. Which Python library is commonly used for data manipulation and analysis, and is available in Cloud Pak for Data?

A) Pandas
B) PyTorch
C) Keras
D) TensorFlow

2. Cloud Pak for Data's integration with Spark allows users to:

A) Perform complex computations on small datasets only
B) Avoid using any form of data processing or analysis
C) Use Spark exclusively for data visualization purposes
D) Leverage distributed computing for processing large datasets efficiently

3. Which of the following is a critical first step in understanding a business problem for data science projects?

A) Defining the project scope
B) Selecting the machine learning algorithm
C) Choosing the visualization tools
D) Deploying the model

4. In the context of assessing data quality in Watson Knowledge Catalog (WKC) and Cloud Pak for Data (CPD), what is a primary focus?

A) Enhancing the graphical user interface
B) Focusing on the data's color scheme
C) Increasing the volume of data collected
D) Analyzing completeness, consistency, and accuracy of data

5. Which two graph types are used in EDA to show the relationship between two or more quantitative variables?

A) Heat map
B) Stem-and-leaf plot
C) Histogram
D) Scatter plot
E) Box plot

Solutions: