UGC NET Measures of dispersion Previous Year Questions (Commerce)
JRFSmart holds 17 previous-year questions on Measures of dispersion from UGC NET Commerce (Paper 2), filed under Unit 5: Business Statistics and Research Methods, drawn from 12 of the 22 exam papers in the bank (2019–2025). Each question can be practised with a full explanation and shows how often NTA has returned to the same idea.
What is asked in Measures of dispersion
The questions in this topic fall under these subtopics, ordered by how many previous-year questions each has.
| Subtopic | Questions |
|---|---|
| Standard deviation of natural numbers | 2 |
| Properties of standard deviation | 1 |
| Five number summary | 1 |
| Properties of mean, median and SD | 1 |
| Sample versus population variance, reliability | 1 |
| Properties of median and variance | 1 |
| Effect of change of origin on quartile deviation | 1 |
| Mean deviation and quartile deviation | 1 |
| Properties of measures of dispersion | 1 |
| Z-score and coefficient of variation | 1 |
| Box-plot and quartiles | 1 |
| Coefficient of variation as relative risk | 1 |
NTA repeat analysis
Measures of dispersion appears in 12 of 22 papers (55%), which JRFSmart rates as high frequency.
2 questions in this topic have been verified as repeated in more than one paper.
Sample previous-year questions
Which of the following statements are correct? A. The difference between sample variance and population variance computation is μ replaced by x̄. B. Cronbach alpha value less than 0.30 indicates reliability of research instrument. C. The value of R² = 1 may…
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Mean deviation is about 80% of Standard Deviation. Reason R: The quartile deviation is about 2/3 of the Standard Deviation. In the light of the…
Which of the following statements are correct with regard to mathematical properties of standard deviation? A. Standard deviation is independent of change of origin and change of scale. B. Standard deviation is independent of change of origin but not of…
What is the value of the Standard Deviation of the first seven natural numbers?
Which of the following is a measure of relative risk and is calculated by dividing the standard deviation by its expected value ?
If the first quartile is 48 and quartile deviation is 6, the value of median assuming the distribution to be symmetrical is :
Which one of the following is the standard deviation of the first 7 (1 to 7) natural numbers?
From the following, identify the measures of dispersion: A. Mean Deviation B. Range C. Standard Deviation D. Coefficient of Variation E. Coefficient of Correlation Choose the correct answer from the options given below:
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