A major disadvantage of secondary data is: MCQ with Answer and Explanation
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Question #1
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Which of the following averages cannot be calculated if a dataset contains a zero?
Correct Answer: Option B
Explanation:
Harmonic mean involves reciprocals, so zero makes it undefined. Geometric mean with zero is zero, but it is defined; arithmetic and median unaffected.
Harmonic mean involves reciprocals, so zero makes it undefined. Geometric mean with zero is zero, but it is defined; arithmetic and median unaffected.
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Accountancy and Statistics
Statistics
Question #2
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If events A and B are independent, which of the following is true regarding their complements A' and B'?
Correct Answer: Option D
Explanation:
A fundamental theorem of probability states that if A and B are independent, their complements A' and B' are also independent.
A fundamental theorem of probability states that if A and B are independent, their complements A' and B' are also independent.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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To compare the health conditions of two populations with entirely different age compositions, the most suitable mortality measure is the:
Correct Answer: Option B
Explanation:
Standardized Death Rates adjust for age distribution differences, allowing for a fair comparison of mortality between different populations.
Standardized Death Rates adjust for age distribution differences, allowing for a fair comparison of mortality between different populations.
This question belongs to:
Accountancy and Statistics
Statistics
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