Ungrouped & Grouped Data MCQs
Ungrouped & Grouped Data MCQs
Class: CBSE Class 11
Subject: Economics
Section: Organisation of Data
Topic: Ungrouped & Grouped Data
Subject: Economics
Section: Organisation of Data
Topic: Ungrouped & Grouped Data
Strictly Based on NCERT Syllabus | Designed for CBSE Board Examinations
Q1. Ungrouped data is:
Answer: B
Ungrouped data refers to original data presented without classification into groups.
Ungrouped data refers to original data presented without classification into groups.
Q2. Grouped data is data presented in:
Answer: B
Grouped data is organised into class intervals with frequencies.
Grouped data is organised into class intervals with frequencies.
Q3. Example of ungrouped data:
Answer: A
Individual observations listed separately form ungrouped data.
Individual observations listed separately form ungrouped data.
Q4. Grouping helps in:
Answer: B
Classification condenses large datasets for analysis.
Classification condenses large datasets for analysis.
Q5. Frequency in grouped data means:
Answer: B
It shows how many observations fall in a class.
It shows how many observations fall in a class.
Q6. Ungrouped data is suitable for:
Answer: B
Small datasets can be easily understood without grouping.
Small datasets can be easily understood without grouping.
Q7. Grouped data uses:
Answer: A
Classes form the basis of grouped distribution.
Classes form the basis of grouped distribution.
Q8. First step in grouping is:
Answer: B
Data must be divided into suitable class intervals.
Data must be divided into suitable class intervals.
Q9. Class width refers to:
Answer: B
Upper minus lower limit gives class width.
Upper minus lower limit gives class width.
Q10. Grouped data is better for:
Answer: D
It supports graphs, averages, and comparisons.
It supports graphs, averages, and comparisons.
Q11. Ungrouped frequency distribution is called:
Answer: A
Individual values with frequencies form discrete series.
Individual values with frequencies form discrete series.
Q12. Continuous grouped data uses:
Answer: A
Continuous variables require exclusive classification.
Continuous variables require exclusive classification.
Q13. Example of grouped data:
Answer: B
Class intervals indicate grouped data.
Class intervals indicate grouped data.
Q14. Grouping reduces:
Answer: B
It simplifies large raw datasets.
It simplifies large raw datasets.
Q15. Data organisation includes:
Answer: D
All are stages of organising data.
All are stages of organising data.
Q16. Grouped data midpoint is:
Answer: A
Average of limits gives class mark.
Average of limits gives class mark.
Q17. Large surveys prefer:
Answer: B
Grouping is essential for large datasets.
Grouping is essential for large datasets.
Q18. Frequency table is part of:
Answer: A
It summarises grouped observations.
It summarises grouped observations.
Q19. Raw data becomes meaningful after:
Answer: B
Classification enables interpretation.
Classification enables interpretation.
Q20. Main aim of grouping is:
Answer: B
Grouped data helps statistical calculation and comparison.
Grouped data helps statistical calculation and comparison.