51. Which data visualization type is commonly used to display the relationship between two continuous variables with a scatterplot matrix? A. Scatter plot matrix B. Bar chart C. Box plot D. Line chart Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
52. What is the primary purpose of "exploratory data analysis (EDA)" in data visualization? A. Understand the dataset's properties B. Add decorative elements C. Make charts more colorful D. Slow down data analysis Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
53. Which type of data visualization is often used to display a hierarchical structure with nodes and connections? A. Scatter plot B. Sankey diagram C. Line chart D. Pie chart Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
54. What is the primary goal of "data mining" in data visualization and reporting? A. Discover patterns and insights B. Add chartjunk C. Ignore data cleaning D. Speed up data analysis Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
55. In data visualization, what does "data transformation" involve? A. Changing the data format B. Adding annotations C. Changing the chart type D. Choosing a color palette Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
56. What is the main advantage of using "parallel coordinates" for visualizing multidimensional data? A. Display multiple variables at once B. Show only one variable at a time C. Create a pie chart D. Simplify data exploration Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
57. What does the "Pareto principle" state in the context of data visualization? A. Roughly 80% of effects come from 20% of causes B. Create a line chart C. Add chartjunk D. Ignore data cleaning Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
58. Which data visualization type is often used to show the distribution and relationship of two variables simultaneously? A. Scatter plot matrix B. Treemap C. Bar chart D. Bubble chart Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
59. What is the primary purpose of "data validation" in data visualization and reporting? A. Ensure data accuracy B. Add decorative elements C. Make charts more complex D. Slow down data analysis Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
60. In data visualization, what does "data compression" refer to? A. Reducing data size B. Adding annotations C. Changing the chart type D. Choosing a color palette Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
