The total fertility rate (TFR) is the sum of age-specific fertility rates multiplied by the width of age interval. If 5-year groups, it is multiplied by: MCQ with Answer and Explanation
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Question #1
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Which average is strictly impossible to calculate if any of the observations in the dataset is exactly zero?
Correct Answer: Option C
Explanation:
Geometric mean becomes zero if any value is zero, and Harmonic mean involves division by zero, making both invalid.
Geometric mean becomes zero if any value is zero, and Harmonic mean involves division by zero, making both invalid.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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If the geometric mean of a set of numbers is zero, which statement must be true?
Correct Answer: Option B
Explanation:
Geometric mean becomes zero if any observation is zero.
Geometric mean becomes zero if any observation is zero.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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In Bayes' theorem, the initial probabilities before observing evidence are called:
Correct Answer: Option D
Explanation:
Prior probabilities represent the initial degree of belief.
Prior probabilities represent the initial degree of belief.
This question belongs to:
Accountancy and Statistics
Statistics
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