Infant Mortality Rate (IMR) is calculated as: MCQ with Answer and Explanation

Question
Infant Mortality Rate (IMR) is calculated as:
A. Deaths under 1 year / Mid-year population under 1 × 1,000
B. Maternal deaths / Live births × 100,000
C. Deaths under 5 years / Live births × 1,000
D. Deaths under 1 year / Total births × 1,000
Answer: Option D
Solution (By JKSSB Mock Tests)
IMR = (Number of infant deaths (under 1 year) in a year / Number of live births in the same year) × 1,000. It is a sensitive indicator of healthcare quality and socioeconomic conditions.
This question belongs to: Accountancy and Statistics Statistics
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Practice More Statistics Questions

Question #1
Which of the following is a use of vital statistics?
A. Measuring industrial growth
B. Planning health services
C. Forecasting stock prices
D. Construction of index numbers
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Correct Answer: Option B

Explanation:
Vital statistics are essential for public health planning and policy formulation.
This question belongs to: Accountancy and Statistics Statistics
Question #2
In constructing a frequency distribution with exclusive class intervals, the upper limit of one class is:
A. Always equal to the lower limit of the next class
B. Ignored in frequency counting
C. Excluded from that class and included in the next higher class
D. Included in that class
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Correct Answer: Option C

Explanation:
In exclusive class intervals, the upper limit is not included in the class; observations equal to the upper limit are counted in the next higher class to avoid overlap and ensure mutual exclusivity.
This question belongs to: Accountancy and Statistics Statistics
Question #3
A bag contains 5 white and 3 black balls. Two balls are drawn without replacement. The probability that they are of different colors is:
A. 15/56
B. 30/56
C. 30/28
D. 15/28
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Correct Answer: Option D

Explanation:
P(different) = P(white then black) + P(black then white) = (5/8)(3/7) + (3/8)(5/7) = 15/56 + 15/56 = 30/56 = 15/28. This accounts for both orders of drawing.
This question belongs to: Accountancy and Statistics Statistics
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