Question 7
Answer the following questions using the bar graph:
- Which class had full attendance that day? _________
- The bar graph shows the number of absent students in Classes 1 to 8.
- Full attendance means that no students were absent (number of absent students ).
- To find the class with full attendance, we look for the class with a bar height of .
Step 1 · Read Absent Students from the Bar Graph
From the given bar graph, the number of absent students in each class is:
- Class 1
- Class 2
- Class 3
- Class 4
- Class 5
- Class 6
- Class 7
- Class 8
Step 2 · Identify the Class with Full Attendance
Full attendance means students were absent.
From the graph, Class 5 has absent students (no bar height).
Therefore, Class 5 had full attendance.
Class 5
- Misinterpreting the Vertical Axis: Confusing the number of absent students with the number of present students, which might lead to picking the highest bar (Class 8) instead of the lowest.
- Overlooking Zero-Height Bars: Assuming Class 5 is missing from the data rather than recognizing that a bar height of corresponds to zero absences.
More questions in IT
To figure out the most popular game in their class, what should Navya and Naresh do? Can you help them?
Based on the pictograph of 'Modes of Travelling', answer the following questions:
- Which mode of travel is used by the most number of students?
- Which mode of travel is used by the least number of students?
Jarina and Sangita collected data on how many students were present in each class (shown in the table on the previous page).
Q. If they want to show their data through a pictograph, where they also use one symbol ☺ for each student, as Lakhanpal did, what are the challenges they might face?
What could be the problems faced in preparing such a pictograph, if the total number of students present in a class is 33 or 27?
Answer the following questions using the bar graph:
- In Class 2, _________ students were absent that day.
Answer the following questions using the bar graph:
- In which class were the maximum number of students absent?
Answer the following questions using the bar graph:
- Which class had full attendance that day? _________
On the basis of this bar graph, what may be a few questions you may ask your friends?
How much did the population of India increase over 50 years?
How much did the population increase in each decade?
Use the bar graph to answer the following questions:
- On which item does Imran’s family spend the most and the second most?
Use the bar graph to answer the following questions:
- Is the cost of electricity about one-half the cost of education?
Use the bar graph to answer the following questions:
- Is the cost of education less than one-fourth the cost of food?
- The following pictograph shows the number of tractors in five different villages.
Observe the pictograph and answer the following questions—
a. Which village has the smallest number of tractors?
b. Which village has the most tractors?
c. How many more tractors does Village C have than Village B?
d. Komal says, "Village D has half the number of tractors as Village E." Is she right?
- The number of girl students in each class of a school is depicted by the pictograph:
Observe this pictograph and answer the following questions:
a. Which class has the least number of girl students?
b. What is the difference between the number of girls in Classes 5 and 6?
c. If two more girls were admitted in Class 2, how would the graph change?
d. How many girls are there in Class 7?