Big Data and Data Analysis Quiz

What is the importance of data quality in data analysis?

• High-quality data leads to more accurate insights

• Low-quality data is preferred for analysis

• Data quality has no impact on analysis

• Data quality only matters in small datasets

Which programming language is commonly used for Big Data processing and analysis?

• Java

• Python

• C++

• Ruby

What role does machine learning play in Big Data analytics?

• It enables computers to learn from data and make predictions or decisions

• It makes data analysis more confusing

• It decreases the importance of data quality

• It eliminates the need for human involvement in data analysis

Which of the following is NOT a common data visualization tool?

• Tableau

• Power BI

• TensorFlow

• Matplotlib

What is the term used to describe the process of discovering patterns and trends from Big Data?

• Data shuffling

• Data blending

• Data mining

• Data freezing

What is the role of predictive analytics in informed decision making?

• Predicting future outcomes based on historical data

• Ignoring data analysis altogether

• Making decisions based on gut feelings

• Conducting random experiments

Which of the following is NOT a step in the data analysis process?

• Data collection

• Data cleaning

• Data encryption

• Data interpretation

Which type of chart is best suited for showing trends over time?

• Pie chart

• Bar chart

• Line chart

• Scatter plot

Which of the following is NOT a characteristic of Big Data?

• Volume

• Velocity

• Variety

• Validity

What is the primary goal of data visualization?

• To make data look pretty

• To simplify complex data and communicate insights effectively

• To confuse viewers with intricate charts

• To make data harder to understand