Histogram & Frequency Polygon MCQs
Histogram & Frequency Polygon MCQs
Class: CBSE Class 11
Subject: Economics
Section: Presentation of Data
Topic: Histogram & Frequency Polygon
Subject: Economics
Section: Presentation of Data
Topic: Histogram & Frequency Polygon
Strictly Based on NCERT Syllabus | Designed for CBSE Board Examinations
Q1. Histogram represents:
Answer: B
Histograms display continuous frequency distributions using adjoining rectangles.
Histograms display continuous frequency distributions using adjoining rectangles.
Q2. Bars in histogram are:
Answer: B
No gaps exist because data is continuous.
No gaps exist because data is continuous.
Q3. Width of histogram bars equals:
Answer: B
Each rectangle spans its class interval.
Each rectangle spans its class interval.
Q4. Height of histogram bar shows:
Answer: A
Frequency determines rectangle height.
Frequency determines rectangle height.
Q5. Frequency polygon is drawn by joining:
Answer: B
Midpoints plotted and connected form polygon.
Midpoints plotted and connected form polygon.
Q6. Frequency polygon can be drawn from:
Answer: C
It can be constructed directly or over histogram.
It can be constructed directly or over histogram.
Q7. Histogram belongs to:
Answer: B
It is a graphical method.
It is a graphical method.
Q8. Frequency polygon is useful for:
Answer: A
Multiple polygons compare distributions.
Multiple polygons compare distributions.
Q9. If class intervals unequal, use:
Answer: A
Frequency density is used.
Frequency density is used.
Q10. Histogram bars touch because data is:
Answer: B
Continuous classes have no gaps.
Continuous classes have no gaps.
Q11. Polygon endpoints touch:
Answer: B
Extra classes close the polygon.
Extra classes close the polygon.
Q12. Histogram area represents:
Answer: A
Total area proportional to frequency.
Total area proportional to frequency.
Q13. Frequency polygon uses:
Answer: A
Points joined by straight lines.
Points joined by straight lines.
Q14. Histogram is best for:
Answer: B
It shows distribution shape.
It shows distribution shape.
Q15. Polygon is smoother than:
Answer: A
Lines show trend clearly.
Lines show trend clearly.
Q16. Midpoint formula:
Answer: B
Average of limits.
Average of limits.
Q17. Histogram rectangles are:
Answer: B
Width equals interval.
Width equals interval.
Q18. Frequency polygon is part of:
Answer: A
It is a statistical graph.
It is a statistical graph.
Q19. Histogram baseline lies on:
Answer: A
Rectangles rise from X-axis.
Rectangles rise from X-axis.
Q20. Main aim of histogram & polygon is:
Answer: B
They visually present distribution patterns.
They visually present distribution patterns.