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 25 of 66
Question #481
A questionnaire should generally begin with:
A. Leading questions
B. Ambiguous questions
C. Sensitive and personal questions
D. Simple and general questions
Discuss
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Correct Answer: Option D

Explanation:
Starting with simple, non‑threatening questions builds rapport and encourages the respondent to continue.
This question belongs to: Accountancy and Statistics Statistics
Question #482
Which of the following should be avoided in a good questionnaire?
A. Logical sequence
B. Short questions
C. Double‑barreled questions
D. Clear wording
Discuss
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Correct Answer: Option C

Explanation:
A double‑barreled question asks about two issues at once, creating confusion. It should be avoided.
This question belongs to: Accountancy and Statistics Statistics
Question #483
The person who fills the schedule is the:
A. Statistician
B. Sponsor
C. Enumerator
D. Respondent
Discuss
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Correct Answer: Option C

Explanation:
In the schedule method, the enumerator records the responses given by the informant.
This question belongs to: Accountancy and Statistics Statistics
Question #484
Pre‑testing of a questionnaire means:
A. Administering the final questionnaire to the sample
B. Designing the questionnaire
C. Trying out the draft questionnaire on a small group to detect flaws
D. Printing the questionnaire
Discuss
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Correct Answer: Option C

Explanation:
Pre‑testing (pilot study) helps identify ambiguous or difficult questions before the main survey.
This question belongs to: Accountancy and Statistics Statistics
Question #485
An open‑ended question allows the respondent to:
A. Answer freely in his/her own words
B. Answer only 'Yes' or 'No'
C. Choose from given alternatives
D. Skip the question
Discuss
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Correct Answer: Option A

Explanation:
Open‑ended questions do not provide fixed response options; the respondent can express his/her views freely.
This question belongs to: Accountancy and Statistics Statistics
Question #486
Which of the following is an advantage of a mailed questionnaire?
A. High response rate
B. Suitable for illiterate respondents
C. Clarification of doubts possible
D. Low cost and wide coverage
Discuss
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Correct Answer: Option D

Explanation:
Mailed questionnaires are relatively inexpensive and can reach a geographically dispersed population.
This question belongs to: Accountancy and Statistics Statistics
Question #487
The arrangement of data in rows and columns is called:
A. Editing
B. Coding
C. Classification
D. Tabulation
Discuss
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Correct Answer: Option D

Explanation:
Tabulation is the systematic presentation of data in tables with rows and columns.
This question belongs to: Accountancy and Statistics Statistics
Question #488
The stub of a table contains:
A. The title
B. Footnotes
C. Row headings
D. Column headings
Discuss
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Correct Answer: Option C

Explanation:
The stub is the left‑most part of a table containing the row captions.
This question belongs to: Accountancy and Statistics Statistics
Question #489
Classification of population by religion is an example of:
A. Chronological classification
B. Geographical classification
C. Qualitative classification
D. Quantitative classification
Discuss
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Correct Answer: Option C

Explanation:
Religion is an attribute, so grouping by it is qualitative classification.
This question belongs to: Accountancy and Statistics Statistics
Question #490
In a frequency distribution, the number of observations falling in a class is called:
A. Class width
B. Class mark
C. Class frequency
D. Class limit
Discuss
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Correct Answer: Option C

Explanation:
Class frequency is the count of data points within a particular class interval.
This question belongs to: Accountancy and Statistics Statistics
Question #491
A frequency polygon is a graph of:
A. Class limits against frequencies
B. Class boundaries against frequencies
C. Cumulative frequencies
D. Class frequencies against class midpoints
Discuss
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Correct Answer: Option D

Explanation:
A frequency polygon plots class midpoints on the x‑axis and class frequencies on the y‑axis and joins them by straight lines.
This question belongs to: Accountancy and Statistics Statistics
Question #492
Cumulative frequency curve is known as:
A. Ogive
B. Bar chart
C. Histogram
D. Frequency polygon
Discuss
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Correct Answer: Option A

Explanation:
An ogive is a graph showing cumulative frequencies plotted against class boundaries.
This question belongs to: Accountancy and Statistics Statistics
Question #493
Which measure of central tendency is most affected by extreme values?
A. Median
B. Mode
C. Geometric mean
D. Arithmetic mean
Discuss
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Correct Answer: Option D

Explanation:
The arithmetic mean uses all values and is pulled towards outliers.
This question belongs to: Accountancy and Statistics Statistics
Question #494
Which measure of central tendency can be used for open‑end distributions?
A. Median
B. Arithmetic mean
C. Weighted mean
D. Harmonic mean
Discuss
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Correct Answer: Option A

Explanation:
The median can be determined even if the extreme classes are open‑ended, as long as the median class is not open.
This question belongs to: Accountancy and Statistics Statistics
Question #495
The algebraic sum of deviations of observations from the arithmetic mean is:
A. Always zero
B. Minimum
C. Always positive
D. Always negative
Discuss
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Correct Answer: Option A

Explanation:
Σ(x - x̄) = 0 is a fundamental property of the arithmetic mean.
This question belongs to: Accountancy and Statistics Statistics
Question #496
The geometric mean is preferred for averaging:
A. Test scores
B. Temperatures
C. Percentage growth rates
D. Heights of students
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Correct Answer: Option C

Explanation:
Geometric mean is suitable for averaging ratios and rates of change over time.
This question belongs to: Accountancy and Statistics Statistics
Question #497
Weighted mean is used when:
A. Distribution is symmetric
B. Different observations have different importance
C. All observations are equal
D. Data are qualitative
Discuss
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Correct Answer: Option B

Explanation:
Weighted mean assigns weights to reflect the varying importance of items.
This question belongs to: Accountancy and Statistics Statistics
Question #498
If the mean of a set of observations is 0, it implies:
A. The sum of all values is zero
B. The observations are all positive
C. There are no negative observations
D. All values are zero
Discuss
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Correct Answer: Option A

Explanation:
Mean = Σx / n. If mean = 0, then Σx = 0.
This question belongs to: Accountancy and Statistics Statistics
Question #499
The empirical relationship between mean, median, and mode for a moderately skewed distribution is:
A. Mean - Mode = 3(Mean - Median)
B. Mode = 2Median - Mean
C. Median = (Mean + Mode)/2
D. Mean = (Mode + Median)/2
Discuss
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Correct Answer: Option A

Explanation:
The empirical formula is Mean - Mode = 3(Mean - Median) or Mode = 3Median - 2Mean.
This question belongs to: Accountancy and Statistics Statistics
Question #500
The median of 3, 7, 1, 9, 5 is:
A. 9
B. 4
C. 7
D. 5
Discuss
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Correct Answer: Option D

Explanation:
Ordered: 1, 3, 5, 7, 9. Median = 5.
This question belongs to: Accountancy and Statistics Statistics

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