In a frequency distribution, the modal class is the class with: MCQ with Answer and Explanation
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Question #1
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Assertion (A): NRR is a more accurate measure of population replacement than GRR. Reason (R): NRR incorporates female mortality, while GRR does not.
Correct Answer: Option B
Explanation:
NRR adjusts for the probability that female births survive to reproductive ages, providing a realistic assessment of generational replacement, whereas GRR assumes all female births survive, overestimating replacement potential.
NRR adjusts for the probability that female births survive to reproductive ages, providing a realistic assessment of generational replacement, whereas GRR assumes all female births survive, overestimating replacement potential.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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If the price index for 2021 (base 2020) is 110 and for 2022 (base 2021) is 105, the chain index for 2022 with base 2020 is:
Correct Answer: Option C
Explanation:
Chain index = 110 × (105/100) = 115.5.
Chain index = 110 × (105/100) = 115.5.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Harmonic mean is undefined if:
Correct Answer: Option D
Explanation:
Reciprocals of zero are infinite, making HM undefined.
Reciprocals of zero are infinite, making HM undefined.
This question belongs to:
Accountancy and Statistics
Statistics
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