If two attributes A and B have a coefficient of association Q = -0.8, this indicates:
A. Weak positive association
B. Strong positive association
C. No association
D. Strong negative association
Answer: Option D
Solution (By JKSSB Mock Tests)
Yule's Q ranges from -1 to +1; values near -1 indicate strong negative association (presence of one attribute tends to coincide with absence of the other), near +1 strong positive association.
Age-specific fertility rate for age group 25-29 is 120 per 1000 women. If there are 15,000 women in this age group, the expected number of births to them is:
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