In attribute theory, the term 'ultimate class frequencies' refers to: MCQ with Answer and Explanation

In attribute theory, the term 'ultimate class frequencies' refers to:
A. Frequencies of the original attributes only
B. Total frequency N
C. Cumulative frequencies of classes
D. Frequencies of the fundamental disjoint classes like (AB), (Aβ), etc.
Answer: Option D
Solution (By JKSSB Mock Tests)
Ultimate classes are the non-overlapping categories formed by combinations of attributes and their negations.

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Practice More Statistics Questions

Question #1
Given P(A)=0.6, P(B)=0.5, P(A∪B)=0.9, then P(A|B) is:
A. 0.4
B. 0.8
C. 0.2
D. 0.5

Correct Answer: Option A


Explanation:
P(A∩B) = 0.6+0.5-0.9 = 0.2. P(A|B) = 0.2/0.5 = 0.4.

This question belongs to: Accountancy and Statistics Statistics
Question #2
Classification of students by their marks in a test is an example of:
A. Chronological classification
B. Qualitative classification
C. Geographical classification
D. Quantitative classification

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
Consumer Price Index (CPI) includes which of the following that WPI typically excludes?
A. Industrial raw materials
B. Food prices
C. Fuel prices
D. Services like healthcare and education

Correct Answer: Option D


Explanation:
CPI covers a broader basket including consumer services (healthcare, education, transport), while WPI focuses mainly on goods, making CPI more comprehensive for cost-of-living assessment.

This question belongs to: Accountancy and Statistics Statistics