Measure of Variation
Definition of Measure of Variation

• Measure of variation is a measure that describes how spread out or scattered a set of data. It is also known as measures of dispersion or measures of spread.

Examples of Measure of Variation

• There are three measures of variation:
  The range, the variance, and the standard deviation.

Solved Example on Measure of Variation

The heights in cm of ten students are: 157, 152, 165, 151, 160, 156, 155, 162, 158, 163. Find the range of the data.
Choices:
A. 10
B. 13
C. 15
D. 14
Correct Answer: D
Solution:
Step 1: Maximum height = 165.
Step 2: Minimum height = 151.
Step 3: Range = 165 - 151 = 14. [Range = maximum height - minimum height.]

Related Terms for Measure of Variation

• Measures of Spread
• Measures of Dispersion
• Data
• Range
• Variance
• Standard Deviation