For a normal distribution, the relationship between Quartile Deviation (QD), Mean Deviation (MD), and Standard Deviation (SD) is roughly: MCQ with Answer and Explanation
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Question #1
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If Yule's coefficient Q = 0 for attributes A and B, this indicates:
Correct Answer: Option D
Explanation:
Yule's Q = 0 when (AB)(αβ) = (Aβ)(αB), which is the condition for statistical independence between attributes A and B in a 2×2 table.
Yule's Q = 0 when (AB)(αβ) = (Aβ)(αB), which is the condition for statistical independence between attributes A and B in a 2×2 table.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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The geometric mean of 1, 2, 4, 8, 16 is:
Correct Answer: Option B
Explanation:
Product = 1×2×4×8×16 = 1024. 1024^(1/5) = 4 (since 4^5=1024).
Product = 1×2×4×8×16 = 1024. 1024^(1/5) = 4 (since 4^5=1024).
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Total Fertility Rate (TFR) is obtained by summing ASFRs for all age groups and multiplying by 5 if 5-year age groups are used. This is because:
Correct Answer: Option B
Explanation:
Summing ASFRs for 5-year groups gives average children per woman for the 5-year span, so multiply by 5.
Summing ASFRs for 5-year groups gives average children per woman for the 5-year span, so multiply by 5.
This question belongs to:
Accountancy and Statistics
Statistics
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