If the price index for 2020 with base 2015 is 125, and for 2025 with base 2020 is 120, the index for 2025 with base 2015 using chain method is: MCQ with Answer and Explanation

Question
If the price index for 2020 with base 2015 is 125, and for 2025 with base 2020 is 120, the index for 2025 with base 2015 using chain method is:
A. 150
B. 125 × 1.2 = 150
C. 140
D. 145
Answer: Option B
Solution (By JKSSB Mock Tests)
Chain index = 125 × (120/100) = 125 × 1.2 = 150.
This question belongs to: Accountancy and Statistics Statistics
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Practice More Statistics Questions

Question #1
Which measure of central tendency minimizes the sum of absolute deviations?
A. Mode
B. Geometric mean
C. Arithmetic mean
D. Median
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Correct Answer: Option D

Explanation:
Median minimizes Σ|x - M|, while mean minimizes Σ(x - μ)².
This question belongs to: Accountancy and Statistics Statistics
Question #2
Standardized Death Rate (SDR) is calculated to:
A. Replace the need for vital registration
B. Increase the crude death rate
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D. Focus only on infant deaths
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Correct Answer: Option C

Explanation:
SDR applies age-specific death rates to a standard population age distribution, removing the confounding effect of age composition to reveal true differences in mortality risk.
This question belongs to: Accountancy and Statistics Statistics
Question #3
Standardized death rate is used to compare mortality across populations differing in:
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B. Sex ratio
C. Total size
D. Age structure
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Correct Answer: Option D

Explanation:
Age standardization removes the confounding effect of different age compositions.
This question belongs to: Accountancy and Statistics Statistics
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