Statistics MCQs

Accountancy and Statistics

Statistics MCQs

Practice complete Statistics MCQs covering Primary & Secondary Data, Data Collection Methods, Questionnaire, Tabulation & Compilation of Data, Measures of Central Tendency, Probability, Theory of Attributes, Index Numbers, Demography, Census, Vital Statistics, Fertility Measures, and all other important topics. Includes chapter-wise and exam-oriented multiple choice questions with detailed answers and explanations for JKSSB, SSC, Banking, UPSC, CUET, University, and other competitive exams.

1318
Total Questions

Practice Questions

Page 37 of 66
Question #721
Net Reproduction Rate (NRR) adjusts for:
A. Migration
B. Mortality of women up to reproductive age
C. Male mortality
D. Only fertility
Discuss
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Correct Answer: Option B

Explanation:
NRR takes into account that some women may die before completing childbearing.
This question belongs to: Accountancy and Statistics Statistics
Question #722
If NRR = 1, the population is:
A. Declining
B. Growing
C. Unstable
D. Exactly replacing itself
Discuss
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Correct Answer: Option D

Explanation:
NRR of 1 indicates replacement level fertility, leading to zero population growth eventually.
This question belongs to: Accountancy and Statistics Statistics
Question #723
Infant Mortality Rate (IMR) is the number of infant deaths per:
A. 100 live births
B. 1000 women
C. 1000 population
D. 1000 live births
Discuss
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Correct Answer: Option D

Explanation:
IMR = (Infant deaths < 1 year / Live births) × 1000.
This question belongs to: Accountancy and Statistics Statistics
Question #724
Maternal Mortality Ratio (MMR) is expressed as deaths per:
A. 10,000 live births
B. 100,000 live births
C. 1000 live births
D. 100,000 women
Discuss
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Correct Answer: Option B

Explanation:
MMR = (Maternal deaths / Live births) × 100,000.
This question belongs to: Accountancy and Statistics Statistics
Question #725
Neonatal mortality refers to deaths in the first:
A. 1 year
B. 7 days
C. 28 days
D. 24 hours
Discuss
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Correct Answer: Option C

Explanation:
Neonatal period is 0-28 days.
This question belongs to: Accountancy and Statistics Statistics
Question #726
Standardized death rate is used to:
A. Calculate birth rate
B. Measure infant mortality
C. Estimate migration
D. Compare mortality between populations with different age structures
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Correct Answer: Option D

Explanation:
Standardization removes the effect of age composition, enabling fair comparisons.
This question belongs to: Accountancy and Statistics Statistics
Question #727
Life expectancy at birth is a summary measure of:
A. Nuptiality
B. Mortality
C. Fertility
D. Migration
Discuss
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Correct Answer: Option B

Explanation:
Life expectancy is derived from age-specific mortality rates and reflects overall mortality conditions.
This question belongs to: Accountancy and Statistics Statistics
Question #728
Which of the following is not a vital event?
A. Marriage
B. Graduation
C. Death
D. Birth
Discuss
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Correct Answer: Option B

Explanation:
Vital events refer to births, deaths, marriages, and divorces.
This question belongs to: Accountancy and Statistics Statistics
Question #729
The main advantage of a questionnaire is:
A. High cost
B. Always high response rate
C. Can be administered to a large number of people at low cost
D. Suitable for illiterates
Discuss
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Correct Answer: Option C

Explanation:
Questionnaires can cover a wide geographic area at minimal expense.
This question belongs to: Accountancy and Statistics Statistics
Question #730
The schedule is preferred when:
A. The respondents are highly educated
B. The respondents are illiterate and data accuracy is important
C. The budget is extremely low
D. The area is very small
Discuss
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Correct Answer: Option B

Explanation:
Enumerators can explain and record answers, ensuring good quality data from illiterate respondents.
This question belongs to: Accountancy and Statistics Statistics
Question #731
Which of the following is a principle of good questionnaire design?
A. Ask sensitive questions at the beginning
B. Maintain a logical sequence of questions
C. Include as many open-ended questions as possible
D. Use jargon to show expertise
Discuss
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Correct Answer: Option B

Explanation:
Logical flow helps respondents understand and answer accurately.
This question belongs to: Accountancy and Statistics Statistics
Question #732
The heading of a column in a table is known as:
A. Caption
B. Title
C. Footnote
D. Stub
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Correct Answer: Option A

Explanation:
Caption or box-head provides headings for columns.
This question belongs to: Accountancy and Statistics Statistics
Question #733
When data are classified according to time, it is called:
A. Geographical classification
B. Qualitative classification
C. Chronological classification
D. Quantitative classification
Discuss
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Correct Answer: Option C

Explanation:
Chronological classification arranges data by time periods.
This question belongs to: Accountancy and Statistics Statistics
Question #734
The mode can be found graphically by:
A. Ogive
B. Bar diagram
C. Pie chart
D. Histogram
Discuss
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Correct Answer: Option D

Explanation:
The modal class is the tallest bar in a histogram.
This question belongs to: Accountancy and Statistics Statistics
Question #735
For an even number of observations, the median is:
A. The mean of all values
B. The average of the two middle values
C. The middle value
D. The most frequent value
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Correct Answer: Option B

Explanation:
If n is even, median = average of (n/2)th and (n/2 + 1)th ordered values.
This question belongs to: Accountancy and Statistics Statistics
Question #736
If a constant is subtracted from all observations, the arithmetic mean:
A. Becomes zero
B. Increases by the constant
C. Remains the same
D. Decreases by the same constant
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Correct Answer: Option D

Explanation:
Mean changes by the same amount as the change in origin.
This question belongs to: Accountancy and Statistics Statistics
Question #737
The geometric mean is suitable for averaging:
A. Normal test scores
B. Temperatures
C. Ratio data like growth rates
D. Heights
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Correct Answer: Option C

Explanation:
GM is appropriate for averaging multiplicative changes over time.
This question belongs to: Accountancy and Statistics Statistics
Question #738
Harmonic mean is undefined if:
A. Data are continuous
B. Any observation is zero
C. All observations are positive
D. Data are discrete
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Correct Answer: Option B

Explanation:
Reciprocals of zero are infinite, making HM undefined.
This question belongs to: Accountancy and Statistics Statistics
Question #739
The weighted arithmetic mean formula is:
A. Σw / Σwx
B. Σx / Σw
C. Σwx / Σw
D. Σwx / n
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Correct Answer: Option C

Explanation:
Weighted mean = Σ(w_i × x_i) / Σ w_i.
This question belongs to: Accountancy and Statistics Statistics
Question #740
The combined mean of two groups is 50. If n₁=20, mean₁=45, and n₂=30, mean₂ is:
A. 52
B. 55
C. 53.33
D. 50
Discuss
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Correct Answer: Option C

Explanation:
50 = (20×45 + 30×mean₂) / 50 → 2500 = 900 + 30×mean₂ → mean₂ = 1600/30 = 53.33.
This question belongs to: Accountancy and Statistics Statistics

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