Consider attributes: Vaccination (A) and Immunity (B). If (AB) = 150, (A) = 200, (B) = 300, N = 500, what type of association exists? MCQ with Answer and Explanation

Question

Consider attributes: Vaccination (A) and Immunity (B). If (AB) = 150, (A) = 200, (B) = 300, N = 500, what type of association exists?

A. Positive Association

B. Inconsistent Data

C. Negative Association

D. Independent

Answer: Option A

Solution (By JKSSB Mock Tests)

Expected (AB) if independent = (200*300)/500 = 120. Actual (AB) = 150. Since Actual > Expected, the association is positive.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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Life expectancy at birth in India (2014-18) is approximately:

A. 69 years

B. 72 years

C. 65 years

D. 60 years

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Correct Answer: Option A

Explanation:
As per SRS 2014-18, life expectancy at birth was 69 years (male 68.2, female 70.7).

This question belongs to: Accountancy and Statistics Statistics

Question #2

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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. I, II and III

B. II and III only

C. I and II only

D. II only

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Correct Answer: Option D

Explanation:
Observation cannot capture attitudes; mailed questionnaire often suffers from low response rate. Interview method does allow probing.

This question belongs to: Accountancy and Statistics Statistics