The Paasche index is weighted by: MCQ with Answer and Explanation
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Question #1
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If a student’s speed is 60 km/h for half the distance and 40 km/h for the other half, the average speed is:
Correct Answer: Option C
Explanation:
Harmonic mean of 60 and 40 = 2/(1/60 + 1/40) = 48 km/h.
Harmonic mean of 60 and 40 = 2/(1/60 + 1/40) = 48 km/h.
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Accountancy and Statistics
Statistics
Question #2
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Which of the following is a source of secondary data?
Correct Answer: Option C
Explanation:
An unpublished thesis is a document containing data originally collected by someone else, making it secondary data for another researcher.
An unpublished thesis is a document containing data originally collected by someone else, making it secondary data for another researcher.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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In a 2×2 contingency table for attributes A and B, the frequency of (Aβ) represents units that:
Correct Answer: Option A
Explanation:
Standard notation: A = presence of attribute A, β = absence of attribute B. Thus, (Aβ) denotes units with attribute A present and attribute B absent.
Standard notation: A = presence of attribute A, β = absence of attribute B. Thus, (Aβ) denotes units with attribute A present and attribute B absent.
This question belongs to:
Accountancy and Statistics
Statistics
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