Algebra-1

Question Analysis
This question tests the student's ability to find the median of a given data set. The data set has an even number of values, so the median is the average of the two middle numbers.

Key Concept Explanation
The median is the value that separates the higher half from the lower half of a data set. For an even number of data points, the median is the average of the two middle numbers.

Step-by-step Solution
1. Arrange the data in ascending order: 45, 50, 55, 60, 65, 70, 75, 80.
2. Identify the t...