Question 1

Which of the following model is usually a gold standard for data analysis?
A)Inferential
B)Descriptive
C)Causal
D)All of the above

Accepted Answer

The answer of Which of the following model is usually...

Question 2

Which of the following is a revision control system?
A)Git
B)Numpy
C)Scipy
D)Slidify

Accepted Answer

Git is a distributed version control system used for tracking changes in source code during software development.

Question 3

Which of the following step is performed by data scientist after acquiring the data?
A)Data Cleaning
B)Data Integration
C)Data Replication
D)All of the above

Accepted Answer

Data Cleaning is a crucial step performed by data scientists after acquiring the data to ensure its quality and to prepare it for analysis by removing or correcting inaccuracies, inconsistencies, and irrelevant parts.

Question 4

Which of the following focuses on the discovery of (previously) unknown properties on the data?
A)Data mining
B)BigData
C)Data wrangling
D)Machine Learning

Accepted Answer

Data mining is specifically focused on the discovery of previously unknown patterns and properties in data. It involves techniques at the intersection of machine learning, statistics, and database systems to uncover hidden patterns, correlations, and insights in large datasets.

Question 5

Which of the following can be used to create sub-samples using a maximum dissimilarity approach?
A)minDissim
B)maxDissim
C)inmaxDissim
D)All of the Mentioned

Accepted Answer

The function "maxDissim" is specifically designed to create sub-samples using a maximum dissimilarity approach.

Quiz 2: Data Science

Which of the following model is usually a gold standard for data analysis?

Which of the following is a revision control system?

Which of the following step is performed by data scientist after acquiring the data?

Which of the following focuses on the discovery of (previously) unknown properties on the data?

Which of the following can be used to create sub-samples using a maximum dissimilarity approach?