In a mailed questionnaire method, the major disadvantage is: MCQ with Answer and Explanation

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In a mailed questionnaire method, the major disadvantage is:

A. Non-response bias

B. Personal contact

C. Low cost

D. High response rate

Answer: Option A

Solution (By JKSSB Mock Tests)

Mailed questionnaires often suffer from low response rates, leading to non-response bias.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

The sex ratio of India according to Census 2011 is:

A. 933

B. 925

C. 940

D. 943

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Correct Answer: Option D

Explanation:
Sex ratio was 943 females per 1000 males.

This question belongs to: Accountancy and Statistics Statistics

Question #2

If the probability that a student passes Mathematics is 0.7, passes English is 0.6, and passes both is 0.4, what is the probability that the student passes at least one subject?

A. 0.7

B. 0.9

C. 0.8

D. 1.0

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Correct Answer: Option B

Explanation:
P(Math ∪ English) = P(Math) + P(English) - P(both) = 0.7 + 0.6 - 0.4 = 0.9. This uses the addition theorem to avoid double-counting students who pass both.

This question belongs to: Accountancy and Statistics Statistics

Question #3

If P(A)=0.5, P(B)=0.4, P(A∩B)=0.3, then P(A but not B) is:

A. 0.5

B. 0.2

C. 0.1

D. 0.8

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Correct Answer: Option B

Explanation:
P(A∩B') = P(A) - P(A∩B) = 0.5 - 0.3 = 0.2.

This question belongs to: Accountancy and Statistics Statistics

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