Bayes' theorem is often used in: MCQ with Answer and Explanation

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Bayes' theorem is often used in:

A. Calculating the mean of a sample

B. Constructing index numbers

C. Updating probabilities after new evidence

D. Testing independence

Answer: Option C

Solution (By JKSSB Mock Tests)

It's used for probabilistic inference and decision making under uncertainty.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Which of the following is an example of a leading question?

A. How often do you exercise?

B. What is your age?

C. List three improvements you would suggest.

D. Do you agree that the new policy is beneficial?

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Correct Answer: Option D

Explanation:
It suggests that the policy is beneficial, leading the respondent to agree.

This question belongs to: Accountancy and Statistics Statistics

Question #2

The time reversal test is satisfied by which of the following weighted index formulas?

A. Fisher

B. Both A and C

C. Paasche

D. Laspeyres

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Correct Answer: Option A

Explanation:
Only Fisher's index satisfies time reversal; L and P do not.

This question belongs to: Accountancy and Statistics Statistics

Question #3

Given (AB)=30, (Aβ)=10, (αB)=10, (αβ)=10. The value of Yule's Q is:

A. 0.33

B. 0.2

C. 0.8

D. 0.5

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Correct Answer: Option D

Explanation:
ad=30×10=300, bc=10×10=100. Q=(300-100)/(300+100)=200/400=0.5.

This question belongs to: Accountancy and Statistics Statistics

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