Which stage in the Business Analytics Framework involves summarizing data using charts and graphs?

• Data Collection

• Data Visualization

• Data Preparation

• Interpretation

What is the core function of descriptive analytics?

• Predict future trends

• Summarize past data

• Optimize performance

• Determine root causes

Which analytics tool is most commonly used for scripting complex data transformations?

• Tableau

• Power BI

• Python (pandas, NumPy)

• Excel

A situation where data is isolated within departments is known as:

• Data Bias

• Data Silos

• Data Corruption

• Data Fragmentation

What technology is widely used for fast, in-memory big data processing?

• Hadoop

• NoSQL

• Spark

• SQL

Which of the following is NOT one of the 5 Vs of Big Data?

• Value

• Variety

• Visualization

• Veracity

Predictive analytics answers the question:

• What happened?

• Why did it happen?

• What will happen?

• What should we do?

Which platform allows users to build interactive dashboards in Microsoft’s ecosystem?

• Google Data Studio

• Tableau

• Power BI

• KNIME

What ethical concern arises when models make decisions that cannot be explained?

• Data Breach

• Black Box Model

• Algorithmic Bias

• Informed Consent

Which department benefits from workforce planning and attrition prediction?

• Finance

• Marketing

• Human Resources

• Sales