Data Analysis and Mining Methods Quiz
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James O'Farrell
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is one of the modern data analysis methods mentioned for analyzing large data sets?
Linear Discriminant Analysis
Regression Analysis
Time Series Analysis
Neural Networks
Answer explanation
Linear Discriminant Analysis is a modern method used for classifying data and reducing dimensions, making it effective for analyzing large data sets. It helps in distinguishing between different classes based on their features.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which method is used to identify frequently occurring patterns in large datasets?
Regression Analysis
Association Mining
Time Series Analysis
Neural Networks
Answer explanation
Association Mining is the method used to identify frequently occurring patterns in large datasets, such as market basket analysis, where it uncovers relationships between items.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which analysis method is specifically mentioned for developing insights in business problems?
Cluster Analysis
Regression Analysis
Time Series Analysis
Neural Networks
Answer explanation
Cluster Analysis is specifically mentioned for developing insights in business problems as it helps identify patterns and group similar data points, making it valuable for understanding customer segments and market trends.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary role of an analyst compared to a data developer?
Build the infrastructure
Discover insights
Manage databases
Design user interfaces
Answer explanation
The primary role of an analyst is to discover insights from data, focusing on interpreting and analyzing information to inform decision-making, while a data developer primarily builds and manages the infrastructure and databases.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What combination of skills is essential for the best analysts?
Technical and artistic skills
Business acumen and analytical skill
Marketing and sales skills
Financial and legal skills
Answer explanation
The best analysts require business acumen to understand market dynamics and analytical skills to interpret data effectively. This combination enables them to make informed decisions and drive strategic initiatives.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How does co-location benefit collaboration between analysts and business users?
It increases the distance between teams.
It accelerates delivery and contextual understanding.
It reduces the need for communication.
It focuses only on virtual meetings.
Answer explanation
Co-location fosters closer collaboration, enabling analysts and business users to share insights quickly. This accelerates delivery and enhances contextual understanding, leading to more effective decision-making.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is NOT a feature of a federated model?
Hybrid structure
Centralized decision-making
Local agility
Balancing standards
Answer explanation
A federated model emphasizes local decision-making and agility, allowing for flexibility. Centralized decision-making contradicts this principle, making it the correct choice as it is NOT a feature of a federated model.
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