If (AB) = 0, the two attributes are: MCQ with Answer and Explanation

Question
If (AB) = 0, the two attributes are:
A. Independent
B. Completely associated positively
C. Completely disassociated
D. Perfectly correlated
Answer: Option C
Solution (By JKSSB Mock Tests)
(AB)=0 means no unit possesses both A and B, indicating perfect negative association.
This question belongs to: Accountancy and Statistics Statistics
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Practice More Statistics Questions

Question #1
The geometric mean of two numbers a and b is 6, and their arithmetic mean is 10. The numbers are:
A. 3 and 17
B. 4 and 16
C. 8 and 12
D. 2 and 18
Discuss
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Correct Answer: Option D

Explanation:
a + b = 20 and ab = 36. Solving gives 2 and 18 (2 + 18 = 20, 2 × 18 = 36).
This question belongs to: Accountancy and Statistics Statistics
Question #2
Which of the following is a characteristic of a well-designed questionnaire?
A. Maximum use of open-ended questions
B. Placing sensitive questions at the beginning
C. Use of double negative questions
D. Using simple and unambiguous language
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Correct Answer: Option D

Explanation:
Simple language prevents misinterpretation, ensuring reliable and accurate data collection from respondents.
This question belongs to: Accountancy and Statistics Statistics
Question #3
Which of the following is a cause of decline in India's infant mortality rate?
A. Improved immunization and healthcare facilities
B. Increase in poverty
C. Decrease in female literacy
D. Higher fertility
Discuss
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Correct Answer: Option A

Explanation:
Better health services, immunization, and sanitation reduce infant deaths.
This question belongs to: Accountancy and Statistics Statistics
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