A good questionnaire should have: MCQ with Answer and Explanation

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A good questionnaire should have:

A. Simple and clear language

B. Double negatives for clarity

C. Questions arranged in random order

D. Many open-ended questions to confuse

Answer: Option A

Solution (By JKSSB Mock Tests)

Clarity and simplicity are fundamental principles.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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Data classified based on geographical areas such as countries, states, or cities is known as:

A. Quantitative classification

B. Chronological classification

C. Qualitative classification

D. Spatial classification

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Correct Answer: Option D

Explanation:
Spatial or geographical classification groups data according to physical locations or regions.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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The condition (A) ≥ (AB) is necessary for:

A. Zero association

B. Negative association

C. Independence

D. Consistency of data

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Correct Answer: Option D

Explanation:
Consistency requires that marginal frequencies are not less than the joint frequencies.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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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. 1.0

C. 0.8

D. 0.9

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Correct Answer: Option D

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

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