Question Paper
Class / Subject: Class 10 (ICSE) · Mathematics
Chapter: Chapter 23 — Chapter 23: Graphical Representation (Histograms and Ogives)
Time Allowed: 32 minutes
Max Marks: 16
1. What does a histogram use? [1]
(A) Adjacent bars with no gaps
(B) Bars with gaps between them
(C) Only lines
(D) Only points
2. What does bar width represent in a histogram? [1]
(A) Class interval
(B) Frequency
(C) Cumulative frequency
(D) Nothing specific
3. What does bar height represent in a histogram? [1]
(A) Frequency
(B) Class interval
(C) Cumulative frequency
(D) Nothing specific
4. What is an ogive? [1]
(A) A cumulative frequency curve
(B) A type of bar chart
(C) A type of pie chart
(D) A type of table
5. What is an ogive plotted against? [1]
(A) Upper class boundaries
(B) Only frequency
(C) Only class width
(D) Nothing specific
6. What can we find using an ogive? [1]
(A) Median and quartiles graphically
(B) Only the mode
(C) Only the range
(D) Nothing useful
7. To find the median from an ogive, what do we locate? [1]
(A) n/2 on the cumulative frequency axis
(B) n on the frequency axis
(C) Only the highest point
(D) Nothing specific
8. Why use histograms and ogives? [1]
(A) To visualise and interpret grouped data effectively
(B) No reason
(C) They're not useful
(D) Only for decoration
9. What does a histogram use? [1]
(A) Adjacent bars with no gaps
(B) Bars with gaps between them
(C) Only lines
(D) Only points
10. What does bar width represent in a histogram? [1]
(A) Class interval
(B) Frequency
(C) Cumulative frequency
(D) Nothing specific
11. What does bar height represent in a histogram? [1]
(A) Frequency
(B) Class interval
(C) Cumulative frequency
(D) Nothing specific
12. What is an ogive? [1]
(A) A cumulative frequency curve
(B) A type of bar chart
(C) A type of pie chart
(D) A type of table
13. What is an ogive plotted against? [1]
(A) Upper class boundaries
(B) Only frequency
(C) Only class width
(D) Nothing specific
14. What can we find using an ogive? [1]
(A) Median and quartiles graphically
(B) Only the mode
(C) Only the range
(D) Nothing useful
15. To find the median from an ogive, what do we locate? [1]
(A) n/2 on the cumulative frequency axis
(B) n on the frequency axis
(C) Only the highest point
(D) Nothing specific
16. Why use histograms and ogives? [1]
(A) To visualise and interpret grouped data effectively
(B) No reason
(C) They're not useful
(D) Only for decoration