If attributes A and B are independent, the expected frequency of (αβ) is: MCQ with Answer and Explanation
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Question #1
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The population pyramid of a developing country typically has:
Correct Answer: Option B
Explanation:
High fertility creates a broad base, while higher mortality at old ages narrows the top.
High fertility creates a broad base, while higher mortality at old ages narrows the top.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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If the Cost of Living Index rises by 10%, a wage earner's real income remains unchanged only if nominal wages increase by:
Correct Answer: Option C
Explanation:
Real income = Nominal income / Price index. To keep real income constant when prices rise 10% (index ×1.10), nominal income must also rise 10% (×1.10), so the ratio remains unchanged.
Real income = Nominal income / Price index. To keep real income constant when prices rise 10% (index ×1.10), nominal income must also rise 10% (×1.10), so the ratio remains unchanged.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Which mean is the largest for a set of positive numbers?
Correct Answer: Option B
Explanation:
For positive numbers, AM ≥ GM ≥ HM.
For positive numbers, AM ≥ GM ≥ HM.
This question belongs to:
Accountancy and Statistics
Statistics
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