Consider the following: I. Observation method can record attitudes. II. Interview method allows probing. III. Mailed questionnaire has high response rate. Which of the above is/are correct? MCQ with Answer and Explanation

Consider the following: I. Observation method can record attitudes. II. Interview method allows probing. III. Mailed questionnaire has high response rate. Which of the above is/are correct?
A. II and III only
B. II only
C. I and II only
D. I, II and III
Answer: Option B
Solution (By JKSSB Mock Tests)
Observation cannot capture attitudes; mailed questionnaire often suffers from low response rate. Interview method does allow probing.

Discuss this Question (0)

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

Practice More Statistics Questions

Question #1
If a dataset has a mean of 100 and a coefficient of variation of 20%, the standard deviation is:
A. 20
B. 10
C. 40
D. 30

Correct Answer: Option A


Explanation:
Coefficient of variation (CV) = (SD / Mean) × 100. So 20 = (SD / 100) × 100 → SD = 20. CV standardizes dispersion relative to the mean.

This question belongs to: Accountancy and Statistics Statistics
Question #2
A researcher wants to ensure every individual in a population has an equal chance of being selected. She should use:
A. Quota sampling
B. Simple random sampling
C. Purposive sampling
D. Snowball sampling

Correct Answer: Option B


Explanation:
Simple random sampling gives each member an equal probability of selection.

This question belongs to: Accountancy and Statistics Statistics
Question #3
Three dice are rolled. The probability of getting a sum of 5 is:
A. 5/216
B. 15/216
C. 10/216
D. 1/36

Correct Answer: Option D


Explanation:
Combinations: (1,1,3) and (1,2,2) each with 3 permutations, total 6 favorable. 6/216 = 1/36.

This question belongs to: Accountancy and Statistics Statistics