Given (AB)=30, (Aβ)=10, (αB)=10, (αβ)=10. The value of Yule's Q is: MCQ with Answer and Explanation
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Question #1
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In demography, 'cohort' refers to:
Correct Answer: Option C
Explanation:
A cohort is a group sharing a common temporal experience, like birth year.
A cohort is a group sharing a common temporal experience, like birth year.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Life tables are primarily used to calculate:
Correct Answer: Option A
Explanation:
Life tables summarize age-specific mortality to compute life expectancy at various ages, probability of survival, and other demographic measures essential for actuarial and population studies.
Life tables summarize age-specific mortality to compute life expectancy at various ages, probability of survival, and other demographic measures essential for actuarial and population studies.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Assertion (A): For a frequency distribution with unequal class intervals, the histogram is drawn with the area of the rectangle proportional to the class frequency. Reason (R): When class widths are unequal, the frequency density must be used to construct the histogram. Choose the correct option:
Correct Answer: Option C
Explanation:
In a histogram, area (not height) represents frequency; if intervals are unequal, height = frequency / width (frequency density). So R explains A.
In a histogram, area (not height) represents frequency; if intervals are unequal, height = frequency / width (frequency density). So R explains A.
This question belongs to:
Accountancy and Statistics
Statistics
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