Total Fertility Rate (TFR) is dimensionless because it represents: MCQ with Answer and Explanation

Question
Total Fertility Rate (TFR) is dimensionless because it represents:
A. A percentage
B. A ratio of two rates
C. Average number of children per woman
D. Births per 1,000 population
Answer: Option C
Solution (By JKSSB Mock Tests)
TFR sums age-specific fertility rates (births per woman per year) across reproductive ages, yielding a pure number: the average completed family size per woman under current fertility patterns.
This question belongs to: Accountancy and Statistics Statistics
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Practice More Statistics Questions

Question #1
Which average is most drastically affected by extreme outlier values?
A. Geometric Mean
B. Mode
C. Median
D. Arithmetic Mean
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Correct Answer: Option D

Explanation:
Since the Arithmetic Mean includes every single value in its calculation, a massive outlier will heavily pull the mean.
This question belongs to: Accountancy and Statistics Statistics
Question #2
In a frequency distribution, the cumulative frequency of the last class is equal to:
A. Zero
B. Number of classes
C. Total frequency N
D. Class width
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Correct Answer: Option C

Explanation:
Cumulative frequency accumulates all frequencies; the last cumulative frequency equals total frequency.
This question belongs to: Accountancy and Statistics Statistics
Question #3
A data set has a mean of 50 and a standard deviation of 5. If 3 is added to each value, the new coefficient of variation is:
A. 10%
B. 9.43%
C. 12%
D. Unchanged
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Correct Answer: Option B

Explanation:
New mean = 53, SD unchanged=5. CV = (5/53)×100 ≈ 9.43%.
This question belongs to: Accountancy and Statistics Statistics
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