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.

Key Concept Explanation
The range is the difference between the maximum and minimum values in a data set. It provides a simple indication of the total spread of the data.

Step-by-step Solution
1. Identify the maximum value in the data set (85).
2. Identify the minimum value in the data set (68).
3. Subt...