The dependency ratio in India has been declining primarily due to: MCQ with Answer and Explanation
Question
Report Error
Discuss this Question (0)
Practice More Statistics Questions
Question #1
Report Error
If P(A)=0.5, P(B)=0.4, and A and B are independent, P(A∩B) is:
Correct Answer: Option B
Explanation:
For independent events, P(A∩B) = P(A) × P(B) = 0.5 × 0.4 = 0.2.
For independent events, P(A∩B) = P(A) × P(B) = 0.5 × 0.4 = 0.2.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
Report Error
Assertion (A): Primary data collection is generally more time-consuming than secondary data collection. Reason (R): Primary data requires designing instruments, sampling, and fieldwork, whereas secondary data is readily available.
Correct Answer: Option C
Explanation:
Primary data collection involves extensive planning, instrument design, sampling, and field execution, making it inherently more time-intensive than accessing pre-existing secondary data.
Primary data collection involves extensive planning, instrument design, sampling, and field execution, making it inherently more time-intensive than accessing pre-existing secondary data.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
Report Error
In the context of data collection, what is the fundamental difference between a schedule and a questionnaire?
Correct Answer: Option C
Explanation:
Schedules require trained enumerators to ask questions and record answers, reducing non-response rates compared to questionnaires.
Schedules require trained enumerators to ask questions and record answers, reducing non-response rates compared to questionnaires.
This question belongs to:
Accountancy and Statistics
Statistics
No comments yet. Be the first to start the discussion!