The de facto census method may overcount: MCQ with Answer and Explanation

The de facto census method may overcount:
A. Elderly in institutions
B. Visitors and temporary residents present on census night
C. Usual residents who are temporarily absent
D. Newborns not yet registered
Answer: Option B
Solution (By JKSSB Mock Tests)
De facto census counts people where found on census night, so tourists, migrant workers, or hospital patients may be counted away from their usual residence, potentially inflating counts in transient areas.

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Practice More Statistics Questions

Question #1
An experiment consists of rolling a fair die. Event A = {2, 4, 6} and Event B = {3, 6}. What is P(A ∪ B)?
A. 1/2
B. 2/3
C. 1/3
D. 5/6

Correct Answer: Option B


Explanation:
A ∪ B = {2, 3, 4, 6}. Four favorable outcomes. P(A ∪ B) = 4/6 = 2/3.

This question belongs to: Accountancy and Statistics Statistics
Question #2
Net Reproduction Rate (NRR) takes into account:
A. Only mortality
B. Migration
C. Only fertility
D. Fertility and mortality

Correct Answer: Option D


Explanation:
NRR adjusts GRR for the mortality of women during reproductive ages; it indicates replacement level.

This question belongs to: Accountancy and Statistics Statistics
Question #3
Bayes' Theorem is primarily used to calculate:
A. Joint probabilities
B. Posterior probabilities
C. Marginal probabilities
D. Prior probabilities

Correct Answer: Option B


Explanation:
Bayes' theorem updates prior probabilities using new evidence to compute posterior probabilities.

This question belongs to: Accountancy and Statistics Statistics