Question 1
Part A (Multiple Choice Questions): Each question has four or more choices, out of which only one is the correct answer. (12×3=36 marks)
Q1. A stacked bar chart showing the sales of different product categories across regions is an example of which data relationship?
A) Part-to-whole
B) Correlation
C) Distribution
D) Ranking
Q2. Which of the following is an example of dynamic visualization?
A) Static infographic poster of population growth
B) Bar chart in a textbook
C) Printed scatter plot of exam scores
D) Real-time dashboard of COVID-19 cases
Q3. In raster graphics, images are stored as:
A) Equations
B) Polygons
C) Pixels
D) Vectors
Q4. Which type of data best describes “Temperature in Celsius”?
A) Ordinal
B) Interval
C) Ratio
D) Categorical
Q5. A teacher collected the exam scores of 200 students, ranging from 0 to 100. She wants to analyze the distribution pattern of the scores, check for skewness, and identify any clusters of performance levels (such as most students scoring between 40 and 60).
Which of the following visualizations would be the most appropriate?
A) Pie chart
B) Scatter plot
C) Line chart
D) Histogram
E) Network diagram
Q6. A data analyst is studying a dataset with three continuous variables: study hours, exam score, and stress level. She wants a visualization that can display the relationship among all three at once (e.g., how stress level varies with study hours and exam score).
Which visualization would be most suitable?
A) Heatmap
B) Bubble chart
C) Tree map
D) Bar chart
Q7. Which of the following is an example of nominal data?
A) Zip codes of postal addresses
B) Ranking of students in class
C) Annual income of employees
D) Temperature differences between cities
Q8. A government agency wants to visualize the literacy rates across all districts in a state. They want the map to show how literacy levels vary geographically, using different shades of color to represent higher or lower percentages.
Which type of visualization would be most appropriate?
A) Heat map
B) Cartogram
C) Flow map
D) Choropleth map
Q11. When visualizations are designed only for aesthetics without clarity, which principle is being violated?
A) Data-ink ratio
B) Semantics
C) Storytelling
D) Interactivity
Q12. A pie chart is most suitable for showing:
A) Changes over time
B) Correlation between variables
C) Part-to-whole relationships
D) Geospatial trends
I have written answers on the answer sheets
Not applicable