Data Handling and Presentation — Practice

Q1. Any collection of facts, numbers, measures or observations that gives us information about things is called

• A. data
• B. a graph
• C. a frequency
• D. a scale

Q2. While counting using tally marks, when the count reaches 5, how is the fifth mark shown?

• A. As a separate vertical line
• B. As a circle around the previous four
• C. As a slanting line cutting across the previous four
• D. As a star next to the fourth

Q3. A pictograph represents data through

• A. pictures of objects
• B. bars of equal width
• C. tally marks only
• D. a circular pie shape

Q4. In a frequency table for favourite sweets, the number 9 against 'gulab jamun' means

• A. 9 students chose gulab jamun
• B. gulab jamun costs Rs 9
• C. 9 types of sweets are listed
• D. the table has 9 rows

Q5. In a bar graph, the length or height of each bar represents

• A. the frequency for that category
• B. the name of the category
• C. the total number of categories
• D. the scale used

Q6. In a pictograph with the key '☺ = 1 student', if a row has 7 such symbols, how many students does that row show?

• A. 1 student
• B. 70 students
• C. 8 students
• D. 7 students

Q7. Sushri Sandhya arranged shoe sizes in ascending order: 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 7. What is the largest shoe size in the class?

• A. 3
• B. 5
• C. 6
• D. 7

Q8. In a pictograph the key reads '▲ = 10 children'. If 'Always' has 5 such symbols, how many children does that mean?

• A. 5 children
• B. 10 children
• C. 15 children
• D. 50 children

Q9. For which of these questions does Pari need to collect data?

• A. What is the capital of India?
• B. When did India get independence?
• C. What is the most popular TV show among her classmates?
• D. How many days are there in a leap year?

Q10. When drawing a bar graph, the bars must be

• A. of uniform width with equal spacing between them
• B. of different widths to show importance
• C. drawn touching each other with no gap
• D. of widths equal to their heights

Q11. On the scale axis of a bar graph, the markings must start from

• A. zero
• B. the smallest data value
• C. the mean of the data
• D. any convenient number

Q12. A bar graph drawn with vertical bars is also called

• A. a column graph
• B. a pictograph
• C. a tally chart
• D. a pie chart

Q13. In a class travel pictograph (☺ = 1 student), Private car has 4 symbols, Public bus 5, School bus 11, Cycle 3, Walking 7. Which mode is used by the most students?

• A. Private car
• B. Public bus
• C. Walking
• D. School bus

Q14. In an ordered list of shoe sizes — 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 7 — how many students wear shoe size 5?

• A. 3
• B. 7
• C. 5
• D. 8

Q15. A Class 6 teacher introducing data presentation chooses to start with pictographs before moving to bar graphs. The best reason is

• A. pictographs use pictures and are visually concrete and easier for children to grasp first
• B. pictographs give more accurate answers than bar graphs
• C. bar graphs are not in the Class 6 syllabus
• D. pictographs need no scale or key