If a time series index shows that prices have doubled from base year, the index is: MCQ with Answer and Explanation

If a time series index shows that prices have doubled from base year, the index is:
A. 50
B. 100
C. 1000
D. 200
Answer: Option D
Solution (By JKExamLibrary)
Doubling means 100% increase, so index = base (100) + 100 = 200.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1 Report Error
Which of the following is true about WPI and CPI in India?
A. Both cover only goods.
B. Both cover goods and services.
C. WPI covers only goods, CPI covers goods and services.
D. CPI covers only goods, WPI covers goods and services.

Correct Answer: Option C


Explanation:
WPI is limited to goods; CPI includes both goods and services.

This question belongs to: Accountancy and Statistics Statistics
Question #2 Report Error
If the crude birth rate of a country is 25 and crude death rate is 10, and net migration rate is -2 per 1000, the growth rate is:
A. 17 per 1000
B. 37 per 1000
C. 15 per 1000
D. 13 per 1000

Correct Answer: Option D


Explanation:
Growth rate = 25 - 10 + (-2) = 13 per 1000.

This question belongs to: Accountancy and Statistics Statistics
Question #3 Report Error
The geometric mean of 2, 4, and 8 is:
A. 3.76
B. 5.33
C. 4.67
D. 4

Correct Answer: Option D


Explanation:
(2 × 4 × 8)^(1/3) = 64^(1/3) = 4.

This question belongs to: Accountancy and Statistics Statistics