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 40 of 66
Question #781
A frequency polygon is drawn by joining:
A. Class limits with frequencies
B. Class boundaries with frequencies
C. Cumulative frequencies
D. Class midpoints with frequencies
Discuss
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Correct Answer: Option D

Explanation:
Points are plotted at class midpoints and connected by straight lines.
This question belongs to: Accountancy and Statistics Statistics
Question #782
If the arithmetic mean of a sample is 20 and median is 22, the distribution is likely:
A. Symmetric
B. Normal
C. Positively skewed
D. Negatively skewed
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Correct Answer: Option D

Explanation:
Mean < Median suggests negative skewness (left-skewed).
This question belongs to: Accountancy and Statistics Statistics
Question #783
The mode is the value that:
A. Is the average
B. Occurs most frequently
C. Is the midpoint
D. Divides data into two equal parts
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Correct Answer: Option B

Explanation:
Mode is the most common observation.
This question belongs to: Accountancy and Statistics Statistics
Question #784
The harmonic mean is most appropriate for:
A. Average speed when distance is fixed
B. Average height
C. Average growth rate
D. Average price
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Correct Answer: Option A

Explanation:
HM is used for rates when the numerator is constant.
This question belongs to: Accountancy and Statistics Statistics
Question #785
If P(A)=0.2 and P(B)=0.5, and A, B are independent, then P(A∩B) is:
A. 0.7
B. 0.6
C. 0.1
D. 0.3
Discuss
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Correct Answer: Option C

Explanation:
0.2×0.5 = 0.1.
This question belongs to: Accountancy and Statistics Statistics
Question #786
In a well-shuffled deck of 52 cards, the probability of drawing an ace is:
A. 1/52
B. 4/52
C. 1/13
D. 1/26
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Correct Answer: Option C

Explanation:
4 aces out of 52 = 4/52 = 1/13. Option C also 4/52 but simplifies to 1/13. Better to pick A.
This question belongs to: Accountancy and Statistics Statistics
Question #787
For attributes, the class frequency (α) denotes:
A. Number possessing A
B. Number not possessing A
C. Total frequency
D. Number possessing both A and B
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Correct Answer: Option B

Explanation:
(α) is the number of items that lack attribute A.
This question belongs to: Accountancy and Statistics Statistics
Question #788
The Paasche index is likely to understate price rise because:
A. It uses geometric mean
B. It is unweighted
C. It uses base year quantities
D. It uses current year quantities, reflecting substitution
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Correct Answer: Option D

Explanation:
Substitution away from goods whose prices rose relatively reduces their weight, leading to underestimation.
This question belongs to: Accountancy and Statistics Statistics
Question #789
The current base year of WPI (wholesale price index) in India is:
A. 2015-16
B. 2004-05
C. 2012
D. 2011-12
Discuss
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Correct Answer: Option D

Explanation:
The revised WPI series uses 2011-12 as base.
This question belongs to: Accountancy and Statistics Statistics
Question #790
The population density of a state is 500 persons per sq km and its area is 200 sq km. The total population is:
A. 250,000
B. 2.5
C. 10,000
D. 100,000
Discuss
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Correct Answer: Option D

Explanation:
Population = density × area = 500 × 200 = 100,000.
This question belongs to: Accountancy and Statistics Statistics
Question #791
Vital statistics include:
A. Stock prices
B. Births and deaths
C. Crop production
D. GDP
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Correct Answer: Option B

Explanation:
Vital events are births, deaths, marriages, divorces.
This question belongs to: Accountancy and Statistics Statistics
Question #792
Crude birth rate is crude because:
A. It is based on sample
B. It does not account for age-sex composition of the population
C. It is always wrong
D. It uses only male births
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Correct Answer: Option B

Explanation:
The denominator is total population, not the population at risk (women 15-49).
This question belongs to: Accountancy and Statistics Statistics
Question #793
If TFR = 2.5 and proportion of female births is 0.48, GRR is:
A. 2.5
B. 1.04
C. 1.2
D. 1.3
Discuss
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Correct Answer: Option C

Explanation:
GRR = 2.5 × 0.48 = 1.2 daughters per woman.
This question belongs to: Accountancy and Statistics Statistics
Question #794
NRR = 0.8 means:
A. Each generation is not replacing itself
B. Population is stable
C. Population is doubling
D. High growth
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Correct Answer: Option A

Explanation:
NRR < 1 indicates population decline in the long run.
This question belongs to: Accountancy and Statistics Statistics
Question #795
Infant mortality rate is the number of deaths under 1 year per:
A. 1000 population
B. 1000 women
C. 1000 live births
D. 1000 total births
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Correct Answer: Option C

Explanation:
IMR = (Infant deaths / Live births) × 1000.
This question belongs to: Accountancy and Statistics Statistics
Question #796
Maternal mortality ratio (MMR) in India (SRS 2016-18) was:
A. 130 per 100,000
B. 200 per 100,000
C. 250 per 100,000
D. 113 per 100,000 live births
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Correct Answer: Option D

Explanation:
As per SRS 2016-18, MMR was 113.
This question belongs to: Accountancy and Statistics Statistics
Question #797
Neonatal deaths are those occurring in the first:
A. 24 hours
B. 1 year
C. 28 days
D. 7 days
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Correct Answer: Option C

Explanation:
Neonatal period = 0-28 days.
This question belongs to: Accountancy and Statistics Statistics
Question #798
Standardized death rate is needed when comparing populations because:
A. Crude death rates depend on age structure
B. Mortality is zero
C. Death rates are not registered
D. Populations are too large
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Correct Answer: Option A

Explanation:
Age composition affects crude rates; standardization removes this effect.
This question belongs to: Accountancy and Statistics Statistics
Question #799
Life expectancy at birth is computed using:
A. Birth registration
B. Census only
C. Sample survey
D. Life table
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Correct Answer: Option D

Explanation:
Life table synthesizes age-specific mortality rates to compute life expectancy.
This question belongs to: Accountancy and Statistics Statistics
Question #800
Which of the following is an example of qualitative data?
A. Marks in exam
B. Blood group
C. Height in cm
D. Weight in kg
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Correct Answer: Option B

Explanation:
Blood group is a categorical attribute.
This question belongs to: Accountancy and Statistics Statistics

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