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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Practice Questions

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

Correct Answer: Option B


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. Data obtained by direct observation
B. Personal diary of the researcher
C. Published report of the World Bank
D. Household survey by a student

Correct Answer: Option C


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. Telephonic interview
B. Indirect oral investigation
C. Direct personal interview
D. Mailed questionnaire

Correct Answer: Option A


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. Mailed questionnaire
D. Observation method

Correct Answer: Option C


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

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. A postal agent
B. The informant
C. The enumerator
D. The supervisor

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. Interviews conducted by the researcher
B. A questionnaire filled by the respondent online
C. Census of India 2011 data used by a demographer
D. An experiment conducted in a lab

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. Are too short
B. Ask about two things at once, confusing the respondent
C. Are too long
D. Use difficult words

Correct Answer: Option B


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. Coding
B. Pilot study
C. Main survey
D. Editing

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. Asking leading questions
B. Clear and simple language
C. Making it very long
D. Including ambiguous terms

Correct Answer: Option B


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 row headings
B. The footnotes
C. The column headings
D. The title of the table

Correct Answer: Option C


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. Coding
C. Tabulation
D. Editing

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. Chronological classification
B. Qualitative classification
C. Geographical classification
D. Quantitative classification

Correct Answer: Option D


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. Open-end series
B. Inclusive series
C. Cumulative series
D. Exclusive series

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. Cumulative frequencies
B. Discrete data
C. Continuous frequency distribution
D. Qualitative data

Correct Answer: Option C


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. Pie chart
B. Bar chart
C. Frequency polygon
D. Ogive

Correct Answer: Option C


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. Arithmetic mean
B. Median
C. Mode
D. Harmonic mean

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. 15
B. 11
C. 20
D. 18

Correct Answer: Option A


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. Decrease by 10
B. Remain the same
C. Multiply by 10
D. Increase by 10

Correct Answer: Option D


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. Less than or equal to geometric mean
B. Equal to the median
C. Greater than arithmetic mean
D. Greater than geometric mean

Correct Answer: Option A


Explanation:
For positive numbers, AM ≥ GM ≥ HM. So HM ≤ GM.

This question belongs to: Accountancy and Statistics Statistics

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