For the above frequencies, Yule's coefficient of association Q is: MCQ with Answer and Explanation

Question Report Error

For the above frequencies, Yule's coefficient of association Q is:

A. 0.5

B. 0.8

C. 0.714

D. 0.33

Answer: Option C

Solution (By JKExamLibrary)

ad = 30×40 = 1200, bc = 20×10 = 200. Q = (1200-200)/(1200+200) = 1000/1400 = 0.714.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1 Report Error

Two events A and B are such that P(A)=0.5, P(B)=0.3, P(A∩B)=0.1. They are:

A. Neither mutually exclusive nor independent

B. Mutually exclusive

C. Independent

D. Both mutually exclusive and independent

View Answer & Solution Discuss

Correct Answer: Option A

Explanation:
P(A∩B)≠0 ⇒ not mutually exclusive. P(A)P(B)=0.15 ≠ 0.1 ⇒ not independent.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

The population of India in 2023 is estimated to be:

A. 1.5 billion

B. 1.4 billion

C. 1.3 billion

D. 1.2 billion

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Correct Answer: Option B

Explanation:
India's population surpassed 1.4 billion around 2023.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

A set of values has mean 20. If each value is multiplied by 2 and then 5 is added, the new mean is:

A. 40

B. 50

C. 45

D. 25

View Answer & Solution Discuss

Correct Answer: Option C

Explanation:
New mean = 2 × 20 + 5 = 45.

This question belongs to: Accountancy and Statistics Statistics

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