For two attributes, if (AB)=20, (Aβ)=30, (αB)=10, (αβ)=40, then N is: MCQ with Answer and Explanation

For two attributes, if (AB)=20, (Aβ)=30, (αB)=10, (αβ)=40, then N is:

A. 90

B. 110

C. 100

D. 80

Answer: Option C

N = 20+30+10+40 = 100.

This question belongs to: Accountancy and Statistics Statistics

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Question #1 Report Error

In a frequency distribution with classes 0-9, 10-19, 20-29,... the class boundaries for 20-29 are:

A. 20.5 - 29.5

B. 20 - 29

C. 19.5 - 28.5

D. 19.5 - 29.5

Correct Answer: Option D

Explanation:
Given inclusive intervals with gap of 1, subtract 0.5 from lower and add 0.5 to upper.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

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

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

B. How often do you exercise?

C. List three improvements you would suggest.

D. What is your age?

Correct Answer: Option A

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

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

In attribute theory, the term 'ultimate class frequencies' refers to:

A. Total frequency N

B. Cumulative frequencies of classes

C. Frequencies of the fundamental disjoint classes like (AB), (Aβ), etc.

D. Frequencies of the original attributes only

Correct Answer: Option C

Explanation:
Ultimate classes are the non-overlapping categories formed by combinations of attributes and their negations.

This question belongs to: Accountancy and Statistics Statistics