Question
Which of the following provides a quantitative measure of the differences between scores in a distribution and describes the degree to which the scores are spread out or clustered together?
This question was previously asked in
CUET PG 2026 Agri-Business Management Question Paper (25-Mar-2026) (Shift 2)
The correct answer is
Variability
Understanding Statistical Variability
The question asks for a statistical measure that quantifies how spread out or clustered data points (scores) are within a distribution.
Analyzing the Options
- Regression: This technique is used to model and analyze the relationship between a dependent variable and one or more independent variables. It does not directly measure the spread of scores.
- Median: The median is a measure of central tendency, representing the middle value in a sorted dataset. It indicates the center of the data, not its dispersion.
- Probability: Probability deals with the likelihood of events occurring. It is not used to measure the spread of existing scores in a dataset.
- Variability: This term encompasses statistical measures (like range, variance, standard deviation) that describe the extent to which scores differ from each other and from the mean. It directly addresses the degree of spread or clustering.
Conclusion on Score Spread
Variability is the statistical concept specifically designed to provide a quantitative measure of the differences between scores and describe how spread out or clustered they are.
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