Algebra-1

Question Analysis
This question tests the student's ability to calculate the range of a data set, which is a fundamental measure of dispersion. The range is the difference between the maximum and minimum values in the data set.

Key Concept Explanation
Dispersion, or spread, refers to how spread out the values in a data set are from each other and from measures of central tendency. The range is a simple measure of dispersion that provides a basic indication of the total spread of the data.

Step-by-step Solution
1. I...