Assertion (A): The median is a better measure of central tendency than the mean for ordinal data. Reason (R): The median is based on the rank order and is unaffected by the exact magnitude of differences. Choose the correct option: MCQ with Answer and Explanation

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Assertion (A): The median is a better measure of central tendency than the mean for ordinal data. Reason (R): The median is based on the rank order and is unaffected by the exact magnitude of differences. Choose the correct option:
A. A is false, R is true
B. Both A and R are true, but R is not the correct explanation of A
C. Both A and R are true, and R is the correct explanation of A
D. A is true, R is false
Answer: Option C
Solution (By JKExamLibrary)
For ordinal data, median uses rank, ignoring magnitude, thus it's appropriate. R explains why.
This question belongs to: Accountancy and Statistics Statistics

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Question #1 Report Error
Which of the following statements about demography is true?
A. Census is a demographic tool for complete enumeration.
B. Migration does not affect population change.
C. Vital statistics do not include marriages.
D. Demography studies only population size.
Discuss

Correct Answer: Option A

Explanation:
Census is a complete count of a population. Demography also studies composition, distribution; vital statistics includes marriages; migration affects population change.
This question belongs to: Accountancy and Statistics Statistics
Question #2 Report Error
Vital statistics are used for:
A. Estimating population growth
B. Actuarial calculations
C. Planning health services
D. All of the above
Discuss

Correct Answer: Option D

Explanation:
Vital statistics inform public health planning, demographic estimates, and insurance mathematics.
This question belongs to: Accountancy and Statistics Statistics
Question #3 Report Error
Which of the following is true for an ideal index number?
A. It must be a simple average of relatives.
B. It should use only base period weights.
C. It must satisfy time reversal and factor reversal tests.
D. It should be easy to calculate.
Discuss

Correct Answer: Option C

Explanation:
Fisher's ideal index satisfies both tests; these are desirable properties.
This question belongs to: Accountancy and Statistics Statistics
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