In attribute theory, the class frequency (Aβ) indicates objects possessing: MCQ with Answer and Explanation

Question
In attribute theory, the class frequency (Aβ) indicates objects possessing:
A. A but not B
B. B but not A
C. Both A and B
D. Neither A nor B
Answer: Option A
Solution (By JKSSB Mock Tests)
β denotes absence of B, so (Aβ) = possessing A and not B.
This question belongs to: Accountancy and Statistics Statistics
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Practice More Statistics Questions

Question #1
A speaks truth in 60% cases, B in 70% cases. They agree in a statement. The probability that the statement is true is:
A. 0.58
B. 0.78
C. 0.50
D. 0.42
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Correct Answer: Option B

Explanation:
Agreement can be both truth or both lie. P(both truth)=0.6×0.7=0.42; both lie=0.4×0.3=0.12. Total agreement=0.54. Probability truth given agreement = 0.42/0.54 ≈ 0.7778.
This question belongs to: Accountancy and Statistics Statistics
Question #2
Classification of students by their marks in a test is an example of:
A. Qualitative classification
B. Geographical classification
C. Chronological classification
D. Quantitative classification
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Correct Answer: Option D

Explanation:
Marks are numerical, so grouping by marks is quantitative classification.
This question belongs to: Accountancy and Statistics Statistics
Question #3
Which of the following measures of central tendency is based on all observations and is most affected by extreme values?
A. Median
B. Arithmetic mean
C. Harmonic mean
D. Mode
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Correct Answer: Option B

Explanation:
Arithmetic mean uses every value and is pulled towards outliers.
This question belongs to: Accountancy and Statistics Statistics
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