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 34 of 66
Question #661
Data collected for the first time by an investigator for a specific purpose is called:
A. Primary data
B. Published data
C. Secondary data
D. Compiled data
Discuss
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Correct Answer: Option A

Explanation:
Primary data is original data collected fresh for a particular research objective.
This question belongs to: Accountancy and Statistics Statistics
Question #662
Which of the following is a secondary source of data?
A. Published report of the World Bank
B. Data obtained by direct observation
C. Household survey by a student
D. Personal diary of the researcher
Discuss
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Correct Answer: Option A

Explanation:
A published report contains data already collected and compiled by someone else, hence secondary.
This question belongs to: Accountancy and Statistics Statistics
Question #663
The method of collecting primary data where the informant is contacted through telephone is called:
A. Indirect oral investigation
B. Mailed questionnaire
C. Direct personal interview
D. Telephonic interview
Discuss
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Correct Answer: Option D

Explanation:
Telephonic interview involves asking questions over the phone.
This question belongs to: Accountancy and Statistics Statistics
Question #664
Which method is most suitable when the field of investigation is vast and informants are educated?
A. Direct interview
B. Schedule method
C. Observation method
D. Mailed questionnaire
Discuss
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Correct Answer: Option D

Explanation:
Mailed questionnaire can reach a large geographic area at low cost, provided respondents are literate.
This question belongs to: Accountancy and Statistics Statistics
Question #665
A major disadvantage of secondary data is:
A. May not suit the present research objective
B. High cost
C. Time consuming
D. Originality
Discuss
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Correct Answer: Option A

Explanation:
Secondary data was collected for a different purpose; definitions and coverage may differ.
This question belongs to: Accountancy and Statistics Statistics
Question #666
In the schedule method of data collection, who fills the form?
A. The supervisor
B. A postal agent
C. The enumerator
D. The informant
Discuss
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Correct Answer: Option C

Explanation:
Schedule is a form filled by the enumerator while interviewing the informant.
This question belongs to: Accountancy and Statistics Statistics
Question #667
Which of the following is NOT a source of primary data?
A. A questionnaire filled by the respondent online
B. An experiment conducted in a lab
C. Census of India 2011 data used by a demographer
D. Interviews conducted by the researcher
Discuss
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Correct Answer: Option C

Explanation:
Census data is already published; it is secondary data for a demographer.
This question belongs to: Accountancy and Statistics Statistics
Question #668
A questionnaire should avoid 'double-barreled' questions because they:
A. Ask about two things at once, confusing the respondent
B. Are too long
C. Are too short
D. Use difficult words
Discuss
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Correct Answer: Option A

Explanation:
Double-barreled questions combine two queries, making it hard to answer accurately.
This question belongs to: Accountancy and Statistics Statistics
Question #669
The pre-testing of a questionnaire is also called:
A. Main survey
B. Pilot study
C. Coding
D. Editing
Discuss
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Correct Answer: Option B

Explanation:
Pre-testing is a trial run (pilot study) to find faults in the questionnaire.
This question belongs to: Accountancy and Statistics Statistics
Question #670
Which of the following ensures that a questionnaire is reliable?
A. Clear and simple language
B. Asking leading questions
C. Making it very long
D. Including ambiguous terms
Discuss
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Correct Answer: Option A

Explanation:
Clarity and simplicity improve understanding and reduce measurement error.
This question belongs to: Accountancy and Statistics Statistics
Question #671
In a table, the 'caption' refers to:
A. The column headings
B. The footnotes
C. The title of the table
D. The row headings
Discuss
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Correct Answer: Option A

Explanation:
Caption (or box-head) contains the headings for columns.
This question belongs to: Accountancy and Statistics Statistics
Question #672
The process of arranging raw data into a table is:
A. Classification
B. Editing
C. Tabulation
D. Coding
Discuss
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Correct Answer: Option C

Explanation:
Tabulation is the systematic presentation of data in rows and columns.
This question belongs to: Accountancy and Statistics Statistics
Question #673
Classification of students by their marks in a test is an example of:
A. Geographical classification
B. Qualitative classification
C. Quantitative classification
D. Chronological classification
Discuss
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Correct Answer: Option C

Explanation:
Marks are numerical, so grouping by marks is quantitative classification.
This question belongs to: Accountancy and Statistics Statistics
Question #674
A frequency distribution with classes 10-20, 20-30, 30-40 … is called:
A. Inclusive series
B. Cumulative series
C. Open-end series
D. Exclusive series
Discuss
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Correct Answer: Option D

Explanation:
The upper limit of a class is the lower limit of the next; an observation equal to the upper limit goes to the next class.
This question belongs to: Accountancy and Statistics Statistics
Question #675
A histogram is used for representing:
A. Qualitative data
B. Cumulative frequencies
C. Discrete data
D. Continuous frequency distribution
Discuss
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Correct Answer: Option D

Explanation:
Histogram is for continuous data, with adjacent bars touching.
This question belongs to: Accountancy and Statistics Statistics
Question #676
The curve obtained by joining the midpoints of histogram bars is:
A. Frequency polygon
B. Bar chart
C. Pie chart
D. Ogive
Discuss
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Correct Answer: Option A

Explanation:
Frequency polygon connects class midpoints with lines.
This question belongs to: Accountancy and Statistics Statistics
Question #677
Which measure of central tendency can be used for qualitative data?
A. Harmonic mean
B. Arithmetic mean
C. Mode
D. Median
Discuss
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Correct Answer: Option C

Explanation:
Mode identifies the most frequent category, so it can be used for nominal qualitative data.
This question belongs to: Accountancy and Statistics Statistics
Question #678
The median of 12, 15, 11, 18, 20 is:
A. 20
B. 15
C. 11
D. 18
Discuss
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Correct Answer: Option B

Explanation:
Ordered: 11, 12, 15, 18, 20. Median = 15 (middle value).
This question belongs to: Accountancy and Statistics Statistics
Question #679
If a constant 10 is added to all the observations, the median will:
A. Increase by 10
B. Decrease by 10
C. Remain the same
D. Multiply by 10
Discuss
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Correct Answer: Option A

Explanation:
Median, like mean, is affected by change of origin; it increases by the same constant.
This question belongs to: Accountancy and Statistics Statistics
Question #680
For a set of positive numbers, the harmonic mean is always:
A. Greater than geometric mean
B. Equal to the median
C. Greater than arithmetic mean
D. Less than or equal to geometric mean
Discuss
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Correct Answer: Option D

Explanation:
For positive numbers, AM ≥ GM ≥ HM. So HM ≤ GM.
This question belongs to: Accountancy and Statistics Statistics

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