If Q = -1, attributes exhibit: MCQ with Answer and Explanation

If Q = -1, attributes exhibit:
A. Perfect positive association
B. Independence
C. Perfect negative association
D. No relationship
Answer: Option C
Solution (By JKExamLibrary)
Q = -1 when ad=0, i.e., complete negative association.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1 Report Error
Age-Specific Fertility Rate for 25-29 years is 120 per 1,000 women. This means:
A. 120 is the total fertility rate contribution from this age group
B. For every 1,000 women aged 25-29, there are 120 live births in a year
C. 12% of women aged 25-29 give birth each year
D. Women in this age group have 120 children on average

Correct Answer: Option B


Explanation:
ASFR = (Births to women in age group / Women in age group) × 1,000. An ASFR of 120 indicates 120 annual births per 1,000 women aged 25-29, reflecting age-specific fertility intensity.

This question belongs to: Accountancy and Statistics Statistics
Question #2 Report Error
According to Census 2011, which state has the highest population density among major states?
A. West Bengal
B. Uttar Pradesh
C. Bihar
D. Kerala

Correct Answer: Option C


Explanation:
Bihar had 1106 persons/sq km, highest among major states.

This question belongs to: Accountancy and Statistics Statistics
Question #3 Report Error
A box contains 4 white and 2 black balls. Two balls are drawn successively with replacement. Probability both are white is:
A. 4/9
B. 2/3
C. 1/9
D. 5/9

Correct Answer: Option A


Explanation:
With replacement: P(WW) = (4/6)×(4/6) = 16/36 = 4/9.

This question belongs to: Accountancy and Statistics Statistics