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

Additional Links for Measure of Variation