Combined Mean MCQs
Combined Mean MCQs – Class 11
Class: CBSE Class 11
Subject: Economics
Section: Measures of Central Tendency
Topic: Combined Mean
Subject: Economics
Section: Measures of Central Tendency
Topic: Combined Mean
Strictly Based on NCERT Syllabus | Designed for CBSE Board Examinations
Q1. Combined mean is used to find mean of:
Answer: B
It merges averages of multiple groups.
It merges averages of multiple groups.
Q2. Combined mean formula:
Answer: B
Weighted average of group means.
Weighted average of group means.
Q3. n1 denotes:
Answer: A
Number of observations in group 1.
Number of observations in group 1.
Q4. x̄1 denotes:
Answer: A
Average of first group.
Average of first group.
Q5. Combined mean is a type of:
Answer: C
It is derived from arithmetic mean.
It is derived from arithmetic mean.
Q6. If group sizes equal, combined mean equals:
Answer: A
Equal weights simplify calculation.
Equal weights simplify calculation.
Q7. Combined mean uses:
Answer: C
Both are essential.
Both are essential.
Q8. Combined mean belongs to:
Answer: B
It measures average.
It measures average.
Q9. If one group large, mean shifts towards:
Answer: A
Higher weight influences result.
Higher weight influences result.
Q10. Combined mean uses weighted logic:
Answer: A
Group sizes act as weights.
Group sizes act as weights.
Q11. Combined mean requires:
Answer: C
Both needed.
Both needed.
Q12. Used in school result analysis:
Answer: A
Merges class averages.
Merges class averages.
Q13. Combined mean is rigidly defined:
Answer: A
Formula based.
Formula based.
Q14. Combined mean simplifies:
Answer: D
Provides single representative value.
Provides single representative value.
Q15. Combined mean uses all data:
Answer: A
Indirectly through group means.
Indirectly through group means.
Q16. Combined mean lies between:
Answer: A
Within group mean range.
Within group mean range.
Q17. If means equal, combined mean:
Answer: A
Remains unchanged.
Remains unchanged.
Q18. Combined mean affected by:
Answer: C
Both influence value.
Both influence value.
Q19. Combined mean used in:
Answer: D
Widely applicable.
Widely applicable.
Q20. Aim of combined mean:
Answer: D
Provides overall representative average.
Provides overall representative average.