In a life table, the column Lx represents: MCQ with Answer and Explanation
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Question #1
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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 #2
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A census method where people are counted based on their legal or permanent residence regardless of where they are on census night is:
Correct Answer: Option B
Explanation:
De jure census attributes individuals to their usual or legal place of residence.
De jure census attributes individuals to their usual or legal place of residence.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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If the mean of a set of 10 observations is 20, and 5 is added to each observation, what will be the new mean?
Correct Answer: Option B
Explanation:
The arithmetic mean is affected by the change of origin. If a constant is added to all observations, the mean increases by that constant.
The arithmetic mean is affected by the change of origin. If a constant is added to all observations, the mean increases by that constant.
This question belongs to:
Accountancy and Statistics
Statistics
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