Standardized death rate is used to: MCQ with Answer and Explanation

Standardized death rate is used to:
A. Compare mortality between populations with different age structures
B. Estimate migration
C. Calculate birth rate
D. Measure infant mortality
Answer: Option A
Solution (By JKSSB Mock Tests)
Standardization removes the effect of age composition, enabling fair comparisons.

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Practice More Statistics Questions

Question #1
If the sum of 20 observations is 400, what is the Arithmetic Mean?
A. 20
B. 40
C. 200
D. 10

Correct Answer: Option A


Explanation:
Mean = Sum of observations / Number of observations = 400 / 20 = 20.

This question belongs to: Accountancy and Statistics Statistics
Question #2
Assertion (A): Association between attributes does not imply causation. Reason (R): Two attributes may be associated due to a third confounding variable or chance.
A. A is true but R is false
B. Both A and R are true, but R is not the correct explanation of A
C. A is false but R is true
D. Both A and R are true, and R is the correct explanation of A

Correct Answer: Option D


Explanation:
Statistical association indicates a relationship but not causality; confounding factors or random variation can create spurious associations, necessitating careful interpretation beyond correlation.

This question belongs to: Accountancy and Statistics Statistics
Question #3
If the geometric mean of a set of numbers is zero, which statement must be true?
A. All numbers are zero.
B. All numbers are equal.
C. All numbers are negative.
D. At least one number is zero.

Correct Answer: Option D


Explanation:
Geometric mean becomes zero if any observation is zero.

This question belongs to: Accountancy and Statistics Statistics