Assertion (A): The arithmetic mean is not a robust measure of central tendency. Reason (R): It is highly influenced by outliers. Choose the correct option: MCQ with Answer and Explanation
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Question #1
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In a set of 10 values, the sum of deviations from 5 is 20 and from 6 is 10. The mean is:
Correct Answer: Option B
Explanation:
Σ(x-5)=Σx -50=20 → Σx=70. Mean=7. Check: Σ(x-6)=70-60=10, correct.
Σ(x-5)=Σx -50=20 → Σx=70. Mean=7. Check: Σ(x-6)=70-60=10, correct.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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An index number that measures changes in the quantity of goods produced is:
Correct Answer: Option A
Explanation:
Quantity index tracks changes in physical volume of production or consumption.
Quantity index tracks changes in physical volume of production or consumption.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Standardized Death Rate allows comparison of mortality between Population X and Y by:
Correct Answer: Option D
Explanation:
Standardization removes age structure effects by calculating what each population's death rate would be if it had the same age distribution as a standard population, enabling fair comparison of underlying mortality risks.
Standardization removes age structure effects by calculating what each population's death rate would be if it had the same age distribution as a standard population, enabling fair comparison of underlying mortality risks.
This question belongs to:
Accountancy and Statistics
Statistics
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