In a 2×2 contingency table, if ad > bc, then: MCQ with Answer and Explanation

Question
In a 2×2 contingency table, if ad > bc, then:
A. A and B are positively associated
B. A and B are negatively associated
C. Data are inconsistent
D. A and B are independent
Answer: Option A
Solution (By JKSSB Mock Tests)
ad > bc indicates positive association.
This question belongs to: Accountancy and Statistics Statistics
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Practice More Statistics Questions

Question #1
The geometric mean is more appropriate than the arithmetic mean when the data are:
A. Negative
B. Qualitative
C. Multiplicative in nature (ratios, growth rates)
D. Additive in nature
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Correct Answer: Option C

Explanation:
GM is suited for averaging ratios because it reflects compounding.
This question belongs to: Accountancy and Statistics Statistics
Question #2
Age-Specific Fertility Rate is expressed per 1,000 women to:
A. Simplify calculation
B. Avoid small decimal values and facilitate comparison
C. Match the scale of Crude Birth Rate
D. Align with mortality rate conventions
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Correct Answer: Option B

Explanation:
Using a base of 1,000 converts rates to whole numbers (e.g., 120 instead of 0.12), enhancing readability and comparability across age groups and populations without changing the underlying proportion.
This question belongs to: Accountancy and Statistics Statistics
Question #3
Three dice are rolled. The probability of getting a sum of 5 is:
A. 10/216
B. 1/36
C. 15/216
D. 5/216
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Correct Answer: Option B

Explanation:
Combinations: (1,1,3) and (1,2,2) each with 3 permutations, total 6 favorable. 6/216 = 1/36.
This question belongs to: Accountancy and Statistics Statistics
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