Which of the following best defines primary data in statistical research? MCQ with Answer and Explanation

Which of the following best defines primary data in statistical research?
A. Data extracted from existing research papers
B. Data obtained from historical archives
C. Data collected by the investigator originally for the current inquiry
D. Data published by the government
Answer: Option C
Solution (By JKSSB Mock Tests)
Primary data refers to first-hand information collected directly by the researcher for a specific statistical objective.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Statistics Questions

Question #1
Which of the following is NOT a recommended practice for ordering questions in a questionnaire?
A. Starting with easy, non-sensitive questions to build rapport
B. Grouping questions on similar topics together
C. Progressing from general to specific questions
D. Placing demographic questions at the beginning regardless of sensitivity

Correct Answer: Option D


Explanation:
Demographic questions, especially sensitive ones like income or caste, are often placed at the end to avoid respondent discomfort early in the survey, which could lead to dropouts.

This question belongs to: Accountancy and Statistics Statistics
Question #2
For a dataset with extreme outliers, which measure of central tendency is LEAST affected?
A. Mode
B. Median
C. Arithmetic mean
D. Geometric mean

Correct Answer: Option B


Explanation:
The median depends only on the middle value(s) in an ordered list, making it robust to extreme values, whereas the mean incorporates all values and can be heavily distorted by outliers.

This question belongs to: Accountancy and Statistics Statistics
Question #3
The harmonic mean is the reciprocal of the arithmetic mean of:
A. Squares of observations
B. The observations themselves
C. Square roots of observations
D. Reciprocals of the observations

Correct Answer: Option D


Explanation:
HM = 1 / [ (1/n) Σ (1/x_i) ].

This question belongs to: Accountancy and Statistics Statistics