In data classification, 'class width' refers to: MCQ with Answer and Explanation

In data classification, 'class width' refers to:
A. The frequency of the modal class
B. The number of classes in the distribution
C. The midpoint of a class interval
D. The difference between upper and lower class limits
Answer: Option D
Solution (By JKSSB Mock Tests)
Class width (or class size) is the difference between the upper and lower boundaries of a class interval, determining the range of values grouped together in a frequency distribution.

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Practice More Statistics Questions

Question #1
Which of the following is NOT a demographic process?
A. Fertility
B. Migration
C. Industrialization
D. Mortality

Correct Answer: Option C


Explanation:
Demographic processes directly change population size and composition; industrialization is an economic process.

This question belongs to: Accountancy and Statistics Statistics
Question #2
Index numbers are typically expressed in:
A. Logarithms
B. Percentages
C. Ratios
D. Absolute units

Correct Answer: Option B


Explanation:
Index numbers are relative measures usually multiplied by 100 to be expressed as percentages for easy comparison.

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Question #3
Classification of population by religion is an example of:
A. Quantitative classification
B. Qualitative classification
C. Geographical classification
D. Chronological classification

Correct Answer: Option B


Explanation:
Religion is an attribute, so grouping by it is qualitative classification.

This question belongs to: Accountancy and Statistics Statistics