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.

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Total Questions

Practice Questions

Page 33 of 66
Question #641
Perinatal mortality rate includes deaths of:
A. Children under 5 years
B. All infants under one year
C. Mothers during pregnancy
D. Foetuses of 28+ weeks gestation (stillbirths) and infants under 7 days
Discuss
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Correct Answer: Option D

Explanation:
Perinatal period covers late fetal deaths and early neonatal deaths.
This question belongs to: Accountancy and Statistics Statistics
Question #642
Life tables are primarily used to compute:
A. Population density
B. Life expectancy
C. Migration rates
D. Fertility rates
Discuss
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Correct Answer: Option B

Explanation:
Life tables synthesize mortality rates to derive life expectancy and survival probabilities.
This question belongs to: Accountancy and Statistics Statistics
Question #643
The crude birth rate in India has declined primarily due to:
A. Increase in death rate
B. Decrease in female population
C. Increase in migration
D. Family planning and socio-economic development
Discuss
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Correct Answer: Option D

Explanation:
Awareness, contraception, and rising education have reduced birth rates.
This question belongs to: Accountancy and Statistics Statistics
Question #644
If a population has a high proportion of young people, the crude death rate may be low even if age-specific rates are high. This is an example of:
A. Direct standardization
B. Sampling error
C. Reverse causality
D. Age structure effect
Discuss
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Correct Answer: Option D

Explanation:
A young population has fewer old people where mortality is high, thus CDR can be low.
This question belongs to: Accountancy and Statistics Statistics
Question #645
The NRR can be interpreted as the average number of:
A. Children per woman
B. Live births per 1000 women
C. Daughters per woman who survive to reproductive age
D. Sons per woman
Discuss
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Correct Answer: Option C

Explanation:
NRR accounts for both fertility and mortality of women.
This question belongs to: Accountancy and Statistics Statistics
Question #646
Which of the following is a direct source of demographic data?
A. Vital registration
B. Census
C. Sample surveys
D. All of the above
Discuss
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Correct Answer: Option D

Explanation:
All are sources that provide demographic data, though census and registration are more traditional.
This question belongs to: Accountancy and Statistics Statistics
Question #647
The main purpose of classification of data is to:
A. Group homogeneous data to highlight similarities and patterns
B. Draw graphs
C. Calculate measures of central tendency
D. Present data in rows and columns
Discuss
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Correct Answer: Option A

Explanation:
Classification brings order to data by grouping similar items.
This question belongs to: Accountancy and Statistics Statistics
Question #648
A table is considered complex when:
A. It is univariate
B. It has only one variable
C. It presents data on more than two characteristics
D. It has no footnotes
Discuss
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Correct Answer: Option C

Explanation:
Tables showing multiple variables (three or more) are called complex or manifold tables.
This question belongs to: Accountancy and Statistics Statistics
Question #649
The difference between a histogram and a bar chart is:
A. Bar chart uses bars, histogram uses lines
B. Histogram is for continuous data, bar chart for discrete/categorical
C. Histogram uses frequency, bar chart uses cumulative frequency
D. No difference
Discuss
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Correct Answer: Option B

Explanation:
Histogram represents frequency distribution of continuous variables, while bar chart is for categorical data with gaps between bars.
This question belongs to: Accountancy and Statistics Statistics
Question #650
The arithmetic mean of a data set is not a good representative if:
A. Data have extreme outliers
B. Data are normally distributed
C. Data are large
D. Data are symmetric
Discuss
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Correct Answer: Option A

Explanation:
Outliers distort the mean; median is preferred in such cases.
This question belongs to: Accountancy and Statistics Statistics
Question #651
If the mean of five numbers is 10 and four of them are 8, 9, 11, 12, the fifth number is:
A. 10
B. 8
C. 9
D. 11
Discuss
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Correct Answer: Option A

Explanation:
Sum = 5×10=50. Sum of four = 8+9+11+12=40. Fifth = 50-40=10.
This question belongs to: Accountancy and Statistics Statistics
Question #652
The mode is not unique when:
A. Two values appear with the same highest frequency
B. Data are continuous
C. Data are qualitative
D. All values appear exactly once
Discuss
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Correct Answer: Option A

Explanation:
If two or more values share the maximum frequency, the distribution is multimodal.
This question belongs to: Accountancy and Statistics Statistics
Question #653
If P(A)=0.2 and P(B)=0.3, the minimum possible value of P(A∪B) is:
A. 0.5
B. 0.2
C. 0.3
D. 0.1
Discuss
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Correct Answer: Option C

Explanation:
Minimum occurs when one event is subset of the other; if B⊂A, then P(A∪B)=P(A)=0.2. But A cannot be larger than B? Actually min union is max(P(A),P(B)) = 0.3.
This question belongs to: Accountancy and Statistics Statistics
Question #654
In a box of 100 bulbs, 10 are defective. Two bulbs are chosen at random. The probability that both are non-defective is:
A. 90/100 × 89/99
B. (90/100)²
C. 1 - (10/100)²
D. 89/110
Discuss
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Correct Answer: Option A

Explanation:
P(first non-defective)=90/100, second non-defective=89/99, product.
This question belongs to: Accountancy and Statistics Statistics
Question #655
The Laspeyres index is criticized because it:
A. Satisfies time reversal test
B. Uses current period quantities
C. Is difficult to compute
D. Does not account for substitution effect
Discuss
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Correct Answer: Option D

Explanation:
Laspeyres uses fixed base period weights, ignoring consumer substitution to cheaper goods.
This question belongs to: Accountancy and Statistics Statistics
Question #656
CPI (Rural, Urban, Combined) data is released by:
A. National Statistical Office (NSO)
B. Labour Bureau
C. RBI
D. Ministry of Finance
Discuss
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Correct Answer: Option A

Explanation:
The NSO compiles and releases CPI data.
This question belongs to: Accountancy and Statistics Statistics
Question #657
The population density of India (Census 2011) is:
A. 500 persons/sq km
B. 282 persons/sq km
C. 400 persons/sq km
D. 382 persons/sq km
Discuss
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Correct Answer: Option D

Explanation:
India's density was 382 per sq km in 2011.
This question belongs to: Accountancy and Statistics Statistics
Question #658
The sum of absolute deviations is minimized by:
A. Geometric mean
B. Median
C. Mean
D. Mode
Discuss
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Correct Answer: Option B

Explanation:
Median minimizes Σ |x - M|.
This question belongs to: Accountancy and Statistics Statistics
Question #659
Which of the following is an attribute in statistical context?
A. Weight
B. Income
C. Height
D. Nationality
Discuss
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Correct Answer: Option D

Explanation:
Nationality is a qualitative characteristic, hence an attribute. Height and weight are variables.
This question belongs to: Accountancy and Statistics Statistics
Question #660
The process of checking and correcting data for errors before tabulation is called:
A. Coding
B. Analysis
C. Compilation
D. Editing
Discuss
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Correct Answer: Option D

Explanation:
Editing involves scrutinizing the collected data to identify and correct errors.
This question belongs to: Accountancy and Statistics Statistics

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