In a pie chart, the angle of a sector for a category with frequency 30 out of total 120 is: MCQ with Answer and Explanation

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In a pie chart, the angle of a sector for a category with frequency 30 out of total 120 is:

A. 60°

B. 120°

C. 90°

D. 30°

Answer: Option C

Solution (By JKExamLibrary)

Angle = (30/120) × 360 = 90°.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1 Report Error

Gross Reproduction Rate (GRR) of 1.5 means:

A. A woman will bear 1.5 daughters on average

B. A woman will bear 1.5 children

C. 1.5 children per 1000 women

D. 1.5% population growth

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Correct Answer: Option A

Explanation:
GRR is average number of daughters per woman, ignoring mortality.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

In a class, 60% students pass in English and 70% in Mathematics. 20% fail in both. The percentage that pass in at least one subject is:

A. 50%

B. 60%

C. 90%

D. 80%

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Correct Answer: Option D

Explanation:
Pass in at least one = 100% - fail in both = 100% - 20% = 80%.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

If (AB)=0, then the association between A and B indicates:

A. No conclusion

B. Complete independence

C. Complete disassociation (perfect negative)

D. Positive association

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Correct Answer: Option C

Explanation:
(AB)=0 means the two attributes never occur together, indicating complete negative association (disassociation).

This question belongs to: Accountancy and Statistics Statistics

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