Which of the following is NOT a method of collecting primary data? MCQ with Answer and Explanation

Which of the following is NOT a method of collecting primary data?

A. Using published government reports

B. Schedules sent through enumerators

C. Observation method

D. Interview method

Answer: Option A

Using published government reports is a source of secondary data. The other methods involve collecting data firsthand.

This question belongs to: Accountancy and Statistics Statistics

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Question #1 Report Error

The multiplication theorem for independent events states P(A ∩ B) = P(A) × P(B). For dependent events, it becomes:

A. P(A|B) × P(B)

B. P(A) + P(B)

C. P(B|A) × P(A)

D. Both B and C are correct

Correct Answer: Option D

Explanation:
For any events, P(A∩B) = P(A|B)P(B) = P(B|A)P(A); independence is the special case where P(A|B)=P(A), reducing to P(A)P(B).

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

Which of the following is an example of chronological classification?

A. Data arranged by year

B. Data arranged by gender

C. Data arranged by income group

D. Data arranged by state

Correct Answer: Option A

Explanation:
Arranging data according to time of occurrence is chronological classification.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

If a dataset has mean = 25 and median = 25, the distribution is likely:

A. Positively skewed

B. Negatively skewed

C. Cannot say

D. Symmetric

Correct Answer: Option D

Explanation:
Mean = Median suggests symmetry, but not guaranteed without mode; however, in many contexts it indicates symmetry.

This question belongs to: Accountancy and Statistics Statistics