Dispersion Formula Based MCQs
Dispersion Formula Based MCQs – Answers & Explanations
Class: 11 | Subject: Economics (Statistics for Economics)
Section: Measures of Dispersion
Topic: Dispersion Formula Based MCQs
Prepared as per CBSE Board Examination Pattern
Section: Measures of Dispersion
Topic: Dispersion Formula Based MCQs
Prepared as per CBSE Board Examination Pattern
Instructions: These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 11 Board Examination preparation.
1. Range formula is:
Answer: A
Range = Largest value − Smallest value.
Range = Largest value − Smallest value.
2. Coefficient of Range:
Answer: A
It is a relative measure of range.
It is a relative measure of range.
3. Quartile Deviation formula:
Answer: B
Also called Semi-Interquartile Range.
Also called Semi-Interquartile Range.
4. Coefficient of QD:
Answer: A
It standardizes quartile dispersion.
It standardizes quartile dispersion.
5. Mean Deviation formula:
Answer: A
Average of absolute deviations.
Average of absolute deviations.
6. Variance formula:
Answer: A
Mean of squared deviations.
Mean of squared deviations.
7. Standard Deviation:
Answer: A
SD is square root of variance.
SD is square root of variance.
8. Coefficient of Variation:
Answer: A
Relative dispersion measure.
Relative dispersion measure.
9. Range ignores:
Answer: B
Only largest and smallest considered.
Only largest and smallest considered.
10. QD focuses on:
Answer: B
Based on quartiles.
Based on quartiles.
11. MD uses:
Answer: A
Signs ignored.
Signs ignored.
12. Variance units:
Answer: B
Due to squaring.
Due to squaring.
13. SD units:
Answer: A
Square root restores units.
Square root restores units.
14. CV is expressed in:
Answer: B
It is percentage dispersion.
It is percentage dispersion.
15. Most scientific measure:
Answer: C
Uses all observations mathematically.
Uses all observations mathematically.
16. Relative dispersion includes:
Answer: D
All compare variability.
All compare variability.
17. Absolute dispersion includes:
Answer: D
All measure spread in actual units.
All measure spread in actual units.
18. Lower dispersion means:
Answer: A
Values clustered.
Values clustered.
19. Higher SD →
Answer: A
Greater variability.
Greater variability.
20. Dispersion formulas help in:
Answer: D
They evaluate variability scientifically.
They evaluate variability scientifically.