The Geometric Mean of 4, 8, and 16 is: MCQ with Answer and Explanation

The Geometric Mean of 4, 8, and 16 is:
A. 12
B. 8
C. 9.33
D. 6
Answer: Option B
Solution (By JKSSB Mock Tests)
GM = cube root of (4 * 8 * 16) = cube root of (512) = 8.

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Practice More Statistics Questions

Question #1
Perinatal Mortality Rate includes stillbirths from which gestational age?
A. 32 weeks
B. 20 weeks
C. 24 weeks
D. 28 weeks

Correct Answer: Option D


Explanation:
Per WHO definition, perinatal mortality includes late fetal deaths (stillbirths) from 28 completed weeks of gestation and early neonatal deaths (first 7 days), capturing risks around birth.

This question belongs to: Accountancy and Statistics Statistics
Question #2
Paasche's Price Index uses:
A. Average of base and current year quantities
B. Current year quantities as weights
C. Base year quantities as weights
D. Fixed arbitrary weights

Correct Answer: Option B


Explanation:
Paasche uses current year quantities, which makes it reflective of current consumption patterns but suffers from downward bias.

This question belongs to: Accountancy and Statistics Statistics
Question #3
Infant Mortality Rate (IMR) of 30 per 1,000 live births means:
A. 3% of infants die before age 1
B. Life expectancy is 30 years
C. 30 mothers die per 1,000 births
D. 30 out of every 1,000 newborns die before their first birthday

Correct Answer: Option D


Explanation:
IMR = (Infant deaths / Live births) × 1,000. An IMR of 30 indicates 30 infant deaths per 1,000 live births, a key indicator of child health and healthcare system performance.

This question belongs to: Accountancy and Statistics Statistics