The geometric mean of 2, 4, and 8 is: MCQ with Answer and Explanation

The geometric mean of 2, 4, and 8 is:
A. 4.67
B. 3.76
C. 4
D. 5.33
Answer: Option C
Solution (By JKSSB Mock Tests)
(2 × 4 × 8)^(1/3) = 64^(1/3) = 4.

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Practice More Statistics Questions

Question #1
The circular test is used to check:
A. Factor reversal property
B. Whether the index satisfies time reversal
C. Consistency of index numbers when shifting base over multiple periods
D. Unit independence

Correct Answer: Option C


Explanation:
Circular test examines if the product of index numbers for consecutive periods equals the direct index for the whole period.

This question belongs to: Accountancy and Statistics Statistics
Question #2
If Σp₁q₀ = 720 and Σp₀q₀ = 600, the Laspeyres price index is:
A. 1200
B. 60
C. 83.33
D. 120

Correct Answer: Option D


Explanation:
P_L = 720/600 × 100 = 120.

This question belongs to: Accountancy and Statistics Statistics
Question #3
For given data Σp₁q₀=480, Σp₀q₀=400, Σp₁q₁=600, Σp₀q₁=500. Fisher's index is:
A. 122.5
B. 121.0
C. 124.9
D. 120.0

Correct Answer: Option D


Explanation:
Laspeyres = 480/400×100=120; Paasche = 600/500×100=120; Fisher = √(120×120) = 120.

This question belongs to: Accountancy and Statistics Statistics