In the theory of attributes, the class frequency (AB) denotes: MCQ with Answer and Explanation

Question

Share Report Error

In the theory of attributes, the class frequency (AB) denotes:

A. Number of objects possessing attribute A only

B. Number of objects possessing attribute B only

C. Number of objects possessing both A and B

D. Number of objects not possessing A and B

Answer: Option C

Solution (By JKSSB Mock Tests)

The notation (AB) represents the number of items possessing both attributes A and B.

This question belongs to: Accountancy and Statistics Statistics

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Statistics Questions

Question #1

The class midpoint is also known as:

A. Class interval

B. Class limit

C. Class mark

D. Class frequency

View Answer & Solution Discuss

Get Complete Subject PDF for Accountancy and Statistics

Correct Answer: Option C

Explanation:
Class mark = (lower limit + upper limit)/2.

This question belongs to: Accountancy and Statistics Statistics

Question #2

If attributes A and B are independent, the expected frequency of (αβ) is:

A. (α)×(β)/N²

B. Observed (αβ)

C. (α)×(β)/N

D. (A)×(B)/N

View Answer & Solution Discuss

Get Complete Subject PDF for Accountancy and Statistics

Correct Answer: Option C

Explanation:
Under independence, each cell frequency equals product of margins divided by N.

This question belongs to: Accountancy and Statistics Statistics

Question #3

If a student’s speed is 60 km/h for half the distance and 40 km/h for the other half, the average speed is:

A. 45 km/h

B. 52 km/h

C. 48 km/h

D. 50 km/h

View Answer & Solution Discuss

Get Complete Subject PDF for Accountancy and Statistics

Correct Answer: Option C

Explanation:
Harmonic mean of 60 and 40 = 2/(1/60 + 1/40) = 48 km/h.

This question belongs to: Accountancy and Statistics Statistics

Explore All Statistics MCQs