The term 'urban agglomeration' in census refers to: MCQ with Answer and Explanation
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Question #1
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The combined mean of three groups with means 20, 30, 40 and sizes 10, 15, 25 is:
Correct Answer: Option B
Explanation:
Sum = 200+450+1000=1650, N=50, Mean=33.
Sum = 200+450+1000=1650, N=50, Mean=33.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Two events A and B are such that P(A)=0.5, P(B)=0.3, P(A∩B)=0.1. They are:
Correct Answer: Option A
Explanation:
P(A∩B)≠0 ⇒ not mutually exclusive. P(A)P(B)=0.15 ≠ 0.1 ⇒ not independent.
P(A∩B)≠0 ⇒ not mutually exclusive. P(A)P(B)=0.15 ≠ 0.1 ⇒ not independent.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Demography is the scientific study of:
Correct Answer: Option C
Explanation:
Demography deals with the size, structure, and distribution of human populations.
Demography deals with the size, structure, and distribution of human populations.
This question belongs to:
Accountancy and Statistics
Statistics
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