In a frequency distribution, the class width is computed as: MCQ with Answer and Explanation

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In a frequency distribution, the class width is computed as:

A. Midpoint × 2

B. Lower limit + upper limit

C. Frequency / total

D. Upper limit - lower limit (for exclusive classes)

Answer: Option D

Solution (By JKSSB Mock Tests)

Class width = difference between boundaries for exclusive classes.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

If a distribution has two modes, it is called:

A. Bimodal

B. Skewed

C. Symmetric

D. Unimodal

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Correct Answer: Option A

Explanation:
Bimodal means two peaks in the frequency distribution.

This question belongs to: Accountancy and Statistics Statistics

Question #2

Which of the following represents an open-end frequency distribution?

A. 0-10, 10-20, 20-30

B. Below 10, 10-20, 20-30, Above 30

C. 10-19, 20-29, 30-39

D. 10-20, 20-30, 30-40

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Correct Answer: Option B

Explanation:
Open-end distributions lack defined lower limits for the first class and/or upper limits for the last class.

This question belongs to: Accountancy and Statistics Statistics

Question #3

In a frequency distribution, the modal class is the class with:

A. Largest class interval

B. Highest class mark

C. Highest frequency

D. Median value

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Correct Answer: Option C

Explanation:
The mode is the most frequent value; the modal class is the interval with the maximum frequency.

This question belongs to: Accountancy and Statistics Statistics

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